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Finding the Fourth Proportional to 18,093, 27,127.86 and 7,560.20

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Solution

The fourth proportional to 18,093, 27,127.86 and 7,560.20 is: 11,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093 : 27,127.86 = 7,560.20 : x
  2. Step 2: Convert to fraction form
    18,093/27,127.86 = 7,560.20/x
  3. Step 3: Cross multiply
    18,093x = 27,127.86 × 7,560.20
  4. Step 4: Simplify right side
    18,093x = 205,091,911.53
  5. Step 5: Solve for x
    x = 205,091,911.53/18,093
  6. Step 6: Final answer
    x = 11,335.43

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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.