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Finding the Fourth Proportional to 14,168.92, 21,253.46 and 5,286.24

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Solution

The fourth proportional to 14,168.92, 21,253.46 and 5,286.24 is: 7,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.92 : 21,253.46 = 5,286.24 : x
  2. Step 2: Convert to fraction form
    14,168.92/21,253.46 = 5,286.24/x
  3. Step 3: Cross multiply
    14,168.92x = 21,253.46 × 5,286.24
  4. Step 4: Simplify right side
    14,168.92x = 112,350,890.39
  5. Step 5: Solve for x
    x = 112,350,890.39/14,168.92
  6. Step 6: Final answer
    x = 7,929.39

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