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Finding the Fourth Proportional to 10,120.92, 13,969.56 and 6,583.92

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Solution

The fourth proportional to 10,120.92, 13,969.56 and 6,583.92 is: 9,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.92 : 13,969.56 = 6,583.92 : x
  2. Step 2: Convert to fraction form
    10,120.92/13,969.56 = 6,583.92/x
  3. Step 3: Cross multiply
    10,120.92x = 13,969.56 × 6,583.92
  4. Step 4: Simplify right side
    10,120.92x = 91,974,465.48
  5. Step 5: Solve for x
    x = 91,974,465.48/10,120.92
  6. Step 6: Final answer
    x = 9,087.56

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