Home / 18,214.38-27,319.14-5,731.38

Finding the Fourth Proportional to 18,214.38, 27,319.14 and 5,731.38

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Solution

The fourth proportional to 18,214.38, 27,319.14 and 5,731.38 is: 8,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.38 : 27,319.14 = 5,731.38 : x
  2. Step 2: Convert to fraction form
    18,214.38/27,319.14 = 5,731.38/x
  3. Step 3: Cross multiply
    18,214.38x = 27,319.14 × 5,731.38
  4. Step 4: Simplify right side
    18,214.38x = 156,576,372.61
  5. Step 5: Solve for x
    x = 156,576,372.61/18,214.38
  6. Step 6: Final answer
    x = 8,596.31

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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.