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Finding the Fourth Proportional to 12,198.97, 18,302.02 and 4,195.73

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Solution

The fourth proportional to 12,198.97, 18,302.02 and 4,195.73 is: 6,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.97 : 18,302.02 = 4,195.73 : x
  2. Step 2: Convert to fraction form
    12,198.97/18,302.02 = 4,195.73/x
  3. Step 3: Cross multiply
    12,198.97x = 18,302.02 × 4,195.73
  4. Step 4: Simplify right side
    12,198.97x = 76,790,369.64
  5. Step 5: Solve for x
    x = 76,790,369.64/12,198.97
  6. Step 6: Final answer
    x = 6,294.82

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