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Finding the Fourth Proportional to 8,232.30, 12,333.06 and 6,469.20

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Solution

The fourth proportional to 8,232.30, 12,333.06 and 6,469.20 is: 9,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232.30 : 12,333.06 = 6,469.20 : x
  2. Step 2: Convert to fraction form
    8,232.30/12,333.06 = 6,469.20/x
  3. Step 3: Cross multiply
    8,232.30x = 12,333.06 × 6,469.20
  4. Step 4: Simplify right side
    8,232.30x = 79,785,031.75
  5. Step 5: Solve for x
    x = 79,785,031.75/8,232.30
  6. Step 6: Final answer
    x = 9,691.71

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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.