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Finding the Fourth Proportional to 18,251.48, 27,377.22 and 4,400.48

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Solution

The fourth proportional to 18,251.48, 27,377.22 and 4,400.48 is: 6,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.48 : 27,377.22 = 4,400.48 : x
  2. Step 2: Convert to fraction form
    18,251.48/27,377.22 = 4,400.48/x
  3. Step 3: Cross multiply
    18,251.48x = 27,377.22 × 4,400.48
  4. Step 4: Simplify right side
    18,251.48x = 120,472,909.07
  5. Step 5: Solve for x
    x = 120,472,909.07/18,251.48
  6. Step 6: Final answer
    x = 6,600.72

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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.