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Finding the Fourth Proportional to 11,148.92, 16,712.46 and 6,220.92

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Solution

The fourth proportional to 11,148.92, 16,712.46 and 6,220.92 is: 9,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.92 : 16,712.46 = 6,220.92 : x
  2. Step 2: Convert to fraction form
    11,148.92/16,712.46 = 6,220.92/x
  3. Step 3: Cross multiply
    11,148.92x = 16,712.46 × 6,220.92
  4. Step 4: Simplify right side
    11,148.92x = 103,966,876.66
  5. Step 5: Solve for x
    x = 103,966,876.66/11,148.92
  6. Step 6: Final answer
    x = 9,325.29

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