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Finding the Fourth Proportional to 13,945.48, 20,928.30 and 8,096.20

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Solution

The fourth proportional to 13,945.48, 20,928.30 and 8,096.20 is: 12,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.48 : 20,928.30 = 8,096.20 : x
  2. Step 2: Convert to fraction form
    13,945.48/20,928.30 = 8,096.20/x
  3. Step 3: Cross multiply
    13,945.48x = 20,928.30 × 8,096.20
  4. Step 4: Simplify right side
    13,945.48x = 169,439,702.46
  5. Step 5: Solve for x
    x = 169,439,702.46/13,945.48
  6. Step 6: Final answer
    x = 12,150.15

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