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Finding the Fourth Proportional to 12,265.81, 18,404.13 and 9,516.37

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Solution

The fourth proportional to 12,265.81, 18,404.13 and 9,516.37 is: 14,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.81 : 18,404.13 = 9,516.37 : x
  2. Step 2: Convert to fraction form
    12,265.81/18,404.13 = 9,516.37/x
  3. Step 3: Cross multiply
    12,265.81x = 18,404.13 × 9,516.37
  4. Step 4: Simplify right side
    12,265.81x = 175,140,510.61
  5. Step 5: Solve for x
    x = 175,140,510.61/12,265.81
  6. Step 6: Final answer
    x = 14,278.76

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