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Finding the Fourth Proportional to 9,372.78, 14,088.33 and 9,343.62

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Solution

The fourth proportional to 9,372.78, 14,088.33 and 9,343.62 is: 14,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.78 : 14,088.33 = 9,343.62 : x
  2. Step 2: Convert to fraction form
    9,372.78/14,088.33 = 9,343.62/x
  3. Step 3: Cross multiply
    9,372.78x = 14,088.33 × 9,343.62
  4. Step 4: Simplify right side
    9,372.78x = 131,636,001.95
  5. Step 5: Solve for x
    x = 131,636,001.95/9,372.78
  6. Step 6: Final answer
    x = 14,044.50

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Half scale
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Double scale
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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.