Home / 18,092.11-27,138.52-11,891.65

Finding the Fourth Proportional to 18,092.11, 27,138.52 and 11,891.65

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Solution

The fourth proportional to 18,092.11, 27,138.52 and 11,891.65 is: 17,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.11 : 27,138.52 = 11,891.65 : x
  2. Step 2: Convert to fraction form
    18,092.11/27,138.52 = 11,891.65/x
  3. Step 3: Cross multiply
    18,092.11x = 27,138.52 × 11,891.65
  4. Step 4: Simplify right side
    18,092.11x = 322,721,781.36
  5. Step 5: Solve for x
    x = 322,721,781.36/18,092.11
  6. Step 6: Final answer
    x = 17,837.71

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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.