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Finding the Fourth Proportional to 18,354.78, 27,516.57 and 7,269.27

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Solution

The fourth proportional to 18,354.78, 27,516.57 and 7,269.27 is: 10,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.78 : 27,516.57 = 7,269.27 : x
  2. Step 2: Convert to fraction form
    18,354.78/27,516.57 = 7,269.27/x
  3. Step 3: Cross multiply
    18,354.78x = 27,516.57 × 7,269.27
  4. Step 4: Simplify right side
    18,354.78x = 200,025,376.80
  5. Step 5: Solve for x
    x = 200,025,376.80/18,354.78
  6. Step 6: Final answer
    x = 10,897.73

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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.