Proportion Calculator Home › Math › Proportion Calculator Proportion Calculator Calculation Type Solve a Proportion (Find x) Check if Two Ratios Are Equal Direct Proportion Inverse Proportion Enter three numbers and choose which position contains x. Find unknown value D (bottom right)A (top left)B (bottom left)C (top right) Ratio values AB = CD CalculateReset 4.9/5 - (654 votes) Results Enter values, then click Calculate to see your result, steps, and graph. Answer Step-by-step solution Ratio Comparison Graph Copy ResultPrintShare
