Los verhoudingen op met kruisvermenigvuldiging
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
Los verhoudingen op met kruisvermenigvuldiging
Use this free online wiskunde tools 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.