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Finding the Fourth Proportional to 16,282.40, 24,404.40 and 8,487.20

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Solution

The fourth proportional to 16,282.40, 24,404.40 and 8,487.20 is: 12,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,282.40 : 24,404.40 = 8,487.20 : x
  2. Step 2: Convert to fraction form
    16,282.40/24,404.40 = 8,487.20/x
  3. Step 3: Cross multiply
    16,282.40x = 24,404.40 × 8,487.20
  4. Step 4: Simplify right side
    16,282.40x = 207,125,023.68
  5. Step 5: Solve for x
    x = 207,125,023.68/16,282.40
  6. Step 6: Final answer
    x = 12,720.79

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1.5x scale

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.