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Finding the Fourth Proportional to 13,146.52, 19,712.20 and 6,221.04

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Solution

The fourth proportional to 13,146.52, 19,712.20 and 6,221.04 is: 9,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.52 : 19,712.20 = 6,221.04 : x
  2. Step 2: Convert to fraction form
    13,146.52/19,712.20 = 6,221.04/x
  3. Step 3: Cross multiply
    13,146.52x = 19,712.20 × 6,221.04
  4. Step 4: Simplify right side
    13,146.52x = 122,630,384.69
  5. Step 5: Solve for x
    x = 122,630,384.69/13,146.52
  6. Step 6: Final answer
    x = 9,327.97

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