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Finding the Fourth Proportional to 18,101.18, 27,150.09 and 6,253.88

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Solution

The fourth proportional to 18,101.18, 27,150.09 and 6,253.88 is: 9,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.18 : 27,150.09 = 6,253.88 : x
  2. Step 2: Convert to fraction form
    18,101.18/27,150.09 = 6,253.88/x
  3. Step 3: Cross multiply
    18,101.18x = 27,150.09 × 6,253.88
  4. Step 4: Simplify right side
    18,101.18x = 169,793,269.10
  5. Step 5: Solve for x
    x = 169,793,269.10/18,101.18
  6. Step 6: Final answer
    x = 9,380.23

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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.