Home / 13,742.38-20,613.62-3,354.13

Finding the Fourth Proportional to 13,742.38, 20,613.62 and 3,354.13

Calculator

Solution

The fourth proportional to 13,742.38, 20,613.62 and 3,354.13 is: 5,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.38 : 20,613.62 = 3,354.13 : x
  2. Step 2: Convert to fraction form
    13,742.38/20,613.62 = 3,354.13/x
  3. Step 3: Cross multiply
    13,742.38x = 20,613.62 × 3,354.13
  4. Step 4: Simplify right side
    13,742.38x = 69,140,692.95
  5. Step 5: Solve for x
    x = 69,140,692.95/13,742.38
  6. Step 6: Final answer
    x = 5,031.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.