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Finding the Fourth Proportional to 18,150.78, 25,047.98 and 10,193.70

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Solution

The fourth proportional to 18,150.78, 25,047.98 and 10,193.70 is: 14,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.78 : 25,047.98 = 10,193.70 : x
  2. Step 2: Convert to fraction form
    18,150.78/25,047.98 = 10,193.70/x
  3. Step 3: Cross multiply
    18,150.78x = 25,047.98 × 10,193.70
  4. Step 4: Simplify right side
    18,150.78x = 255,331,593.73
  5. Step 5: Solve for x
    x = 255,331,593.73/18,150.78
  6. Step 6: Final answer
    x = 14,067.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.