Home / 18,132.14-27,197.12-5,481.66

Finding the Fourth Proportional to 18,132.14, 27,197.12 and 5,481.66

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Solution

The fourth proportional to 18,132.14, 27,197.12 and 5,481.66 is: 8,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.14 : 27,197.12 = 5,481.66 : x
  2. Step 2: Convert to fraction form
    18,132.14/27,197.12 = 5,481.66/x
  3. Step 3: Cross multiply
    18,132.14x = 27,197.12 × 5,481.66
  4. Step 4: Simplify right side
    18,132.14x = 149,085,364.82
  5. Step 5: Solve for x
    x = 149,085,364.82/18,132.14
  6. Step 6: Final answer
    x = 8,222.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.