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Finding the Fourth Proportional to 8,672.28, 12,996.11 and 6,337.65

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Solution

The fourth proportional to 8,672.28, 12,996.11 and 6,337.65 is: 9,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.28 : 12,996.11 = 6,337.65 : x
  2. Step 2: Convert to fraction form
    8,672.28/12,996.11 = 6,337.65/x
  3. Step 3: Cross multiply
    8,672.28x = 12,996.11 × 6,337.65
  4. Step 4: Simplify right side
    8,672.28x = 82,364,861.12
  5. Step 5: Solve for x
    x = 82,364,861.12/8,672.28
  6. Step 6: Final answer
    x = 9,497.49

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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.