Home / 18,098.33-27,136.50-8,101.22

Finding the Fourth Proportional to 18,098.33, 27,136.50 and 8,101.22

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Solution

The fourth proportional to 18,098.33, 27,136.50 and 8,101.22 is: 12,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.33 : 27,136.50 = 8,101.22 : x
  2. Step 2: Convert to fraction form
    18,098.33/27,136.50 = 8,101.22/x
  3. Step 3: Cross multiply
    18,098.33x = 27,136.50 × 8,101.22
  4. Step 4: Simplify right side
    18,098.33x = 219,838,620.85
  5. Step 5: Solve for x
    x = 219,838,620.85/18,098.33
  6. Step 6: Final answer
    x = 12,146.90

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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.