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Finding the Fourth Proportional to 18,267.38, 27,384.62 and 6,572.38

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Solution

The fourth proportional to 18,267.38, 27,384.62 and 6,572.38 is: 9,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.38 : 27,384.62 = 6,572.38 : x
  2. Step 2: Convert to fraction form
    18,267.38/27,384.62 = 6,572.38/x
  3. Step 3: Cross multiply
    18,267.38x = 27,384.62 × 6,572.38
  4. Step 4: Simplify right side
    18,267.38x = 179,982,128.80
  5. Step 5: Solve for x
    x = 179,982,128.80/18,267.38
  6. Step 6: Final answer
    x = 9,852.65

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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.