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Finding the Fourth Proportional to 12,091.28, 16,685.97 and 6,786.14

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Solution

The fourth proportional to 12,091.28, 16,685.97 and 6,786.14 is: 9,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.28 : 16,685.97 = 6,786.14 : x
  2. Step 2: Convert to fraction form
    12,091.28/16,685.97 = 6,786.14/x
  3. Step 3: Cross multiply
    12,091.28x = 16,685.97 × 6,786.14
  4. Step 4: Simplify right side
    12,091.28x = 113,233,328.46
  5. Step 5: Solve for x
    x = 113,233,328.46/12,091.28
  6. Step 6: Final answer
    x = 9,364.88

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