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Finding the Fourth Proportional to 9,224.61, 12,699.17 and 8,800.93

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Solution

The fourth proportional to 9,224.61, 12,699.17 and 8,800.93 is: 12,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.61 : 12,699.17 = 8,800.93 : x
  2. Step 2: Convert to fraction form
    9,224.61/12,699.17 = 8,800.93/x
  3. Step 3: Cross multiply
    9,224.61x = 12,699.17 × 8,800.93
  4. Step 4: Simplify right side
    9,224.61x = 111,764,553.71
  5. Step 5: Solve for x
    x = 111,764,553.71/9,224.61
  6. Step 6: Final answer
    x = 12,115.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.