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Finding the Fourth Proportional to 16,489.05, 24,728.10 and 7,600.73

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Solution

The fourth proportional to 16,489.05, 24,728.10 and 7,600.73 is: 11,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.05 : 24,728.10 = 7,600.73 : x
  2. Step 2: Convert to fraction form
    16,489.05/24,728.10 = 7,600.73/x
  3. Step 3: Cross multiply
    16,489.05x = 24,728.10 × 7,600.73
  4. Step 4: Simplify right side
    16,489.05x = 187,951,487.87
  5. Step 5: Solve for x
    x = 187,951,487.87/16,489.05
  6. Step 6: Final answer
    x = 11,398.56

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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.