Home / 20,334.12-28,061.16-11,841.30

Finding the Fourth Proportional to 20,334.12, 28,061.16 and 11,841.30

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Solution

The fourth proportional to 20,334.12, 28,061.16 and 11,841.30 is: 16,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.12 : 28,061.16 = 11,841.30 : x
  2. Step 2: Convert to fraction form
    20,334.12/28,061.16 = 11,841.30/x
  3. Step 3: Cross multiply
    20,334.12x = 28,061.16 × 11,841.30
  4. Step 4: Simplify right side
    20,334.12x = 332,280,613.91
  5. Step 5: Solve for x
    x = 332,280,613.91/20,334.12
  6. Step 6: Final answer
    x = 16,341.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.