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Finding the Fourth Proportional to 16,437.80, 24,672.90 and 8,127.20

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Solution

The fourth proportional to 16,437.80, 24,672.90 and 8,127.20 is: 12,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,437.80 : 24,672.90 = 8,127.20 : x
  2. Step 2: Convert to fraction form
    16,437.80/24,672.90 = 8,127.20/x
  3. Step 3: Cross multiply
    16,437.80x = 24,672.90 × 8,127.20
  4. Step 4: Simplify right side
    16,437.80x = 200,521,592.88
  5. Step 5: Solve for x
    x = 200,521,592.88/16,437.80
  6. Step 6: Final answer
    x = 12,198.81

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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.