About 비례식 풀이기
비례식 및 교차 곱셈 풀기
Use this free online 수학 도구 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
비례식 및 교차 곱셈 풀기
Solve Proportion: A/B = C/D
Leave one field empty to solve for it
D =
8
3/4 = 6/?
Cross Multiplication Method
A × D = B × C
3 × 8 = 4 × 6
Direct Proportion Calculator
If X increases, Y increases proportionally
Inverse Proportion Calculator
If X increases, Y decreases proportionally
Percentage Proportion
X is what percent of Y? Or X% of Y is what?
25 is 25.00% of 100
Common Proportions
비례식 및 교차 곱셈 풀기
Use this free online 수학 도구 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.