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Finding the Fourth Proportional to 13,827.68, 20,750.24 and 7,258.56

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Solution

The fourth proportional to 13,827.68, 20,750.24 and 7,258.56 is: 10,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.68 : 20,750.24 = 7,258.56 : x
  2. Step 2: Convert to fraction form
    13,827.68/20,750.24 = 7,258.56/x
  3. Step 3: Cross multiply
    13,827.68x = 20,750.24 × 7,258.56
  4. Step 4: Simplify right side
    13,827.68x = 150,616,862.05
  5. Step 5: Solve for x
    x = 150,616,862.05/13,827.68
  6. Step 6: Final answer
    x = 10,892.42

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