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Finding the Fourth Proportional to 13,873.92, 20,807.10 and 6,471.06

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Solution

The fourth proportional to 13,873.92, 20,807.10 and 6,471.06 is: 9,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.92 : 20,807.10 = 6,471.06 : x
  2. Step 2: Convert to fraction form
    13,873.92/20,807.10 = 6,471.06/x
  3. Step 3: Cross multiply
    13,873.92x = 20,807.10 × 6,471.06
  4. Step 4: Simplify right side
    13,873.92x = 134,643,992.53
  5. Step 5: Solve for x
    x = 134,643,992.53/13,873.92
  6. Step 6: Final answer
    x = 9,704.83

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