Home / 18,469.47-27,708.33-7,381.38

Finding the Fourth Proportional to 18,469.47, 27,708.33 and 7,381.38

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Solution

The fourth proportional to 18,469.47, 27,708.33 and 7,381.38 is: 11,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.47 : 27,708.33 = 7,381.38 : x
  2. Step 2: Convert to fraction form
    18,469.47/27,708.33 = 7,381.38/x
  3. Step 3: Cross multiply
    18,469.47x = 27,708.33 × 7,381.38
  4. Step 4: Simplify right side
    18,469.47x = 204,525,712.90
  5. Step 5: Solve for x
    x = 204,525,712.90/18,469.47
  6. Step 6: Final answer
    x = 11,073.72

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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.