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Finding the Fourth Proportional to 16,737.28, 25,105.92 and 8,922.40

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Solution

The fourth proportional to 16,737.28, 25,105.92 and 8,922.40 is: 13,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,737.28 : 25,105.92 = 8,922.40 : x
  2. Step 2: Convert to fraction form
    16,737.28/25,105.92 = 8,922.40/x
  3. Step 3: Cross multiply
    16,737.28x = 25,105.92 × 8,922.40
  4. Step 4: Simplify right side
    16,737.28x = 224,005,060.61
  5. Step 5: Solve for x
    x = 224,005,060.61/16,737.28
  6. Step 6: Final answer
    x = 13,383.60

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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.