Home / 18,542.67-27,792.81-6,691.02

Finding the Fourth Proportional to 18,542.67, 27,792.81 and 6,691.02

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Solution

The fourth proportional to 18,542.67, 27,792.81 and 6,691.02 is: 10,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.67 : 27,792.81 = 6,691.02 : x
  2. Step 2: Convert to fraction form
    18,542.67/27,792.81 = 6,691.02/x
  3. Step 3: Cross multiply
    18,542.67x = 27,792.81 × 6,691.02
  4. Step 4: Simplify right side
    18,542.67x = 185,962,247.57
  5. Step 5: Solve for x
    x = 185,962,247.57/18,542.67
  6. Step 6: Final answer
    x = 10,028.88

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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.