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Finding the Fourth Proportional to 13,168.64, 19,742.64 and 6,591.52

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Solution

The fourth proportional to 13,168.64, 19,742.64 and 6,591.52 is: 9,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.64 : 19,742.64 = 6,591.52 : x
  2. Step 2: Convert to fraction form
    13,168.64/19,742.64 = 6,591.52/x
  3. Step 3: Cross multiply
    13,168.64x = 19,742.64 × 6,591.52
  4. Step 4: Simplify right side
    13,168.64x = 130,134,006.41
  5. Step 5: Solve for x
    x = 130,134,006.41/13,168.64
  6. Step 6: Final answer
    x = 9,882.11

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