Home / 9,189.82-13,791.68-6,731.02

Finding the Fourth Proportional to 9,189.82, 13,791.68 and 6,731.02

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Solution

The fourth proportional to 9,189.82, 13,791.68 and 6,731.02 is: 10,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.82 : 13,791.68 = 6,731.02 : x
  2. Step 2: Convert to fraction form
    9,189.82/13,791.68 = 6,731.02/x
  3. Step 3: Cross multiply
    9,189.82x = 13,791.68 × 6,731.02
  4. Step 4: Simplify right side
    9,189.82x = 92,832,073.91
  5. Step 5: Solve for x
    x = 92,832,073.91/9,189.82
  6. Step 6: Final answer
    x = 10,101.62

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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.