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Finding the Fourth Proportional to 13,833.57, 20,750.09 and 3,972.63

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Solution

The fourth proportional to 13,833.57, 20,750.09 and 3,972.63 is: 5,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.57 : 20,750.09 = 3,972.63 : x
  2. Step 2: Convert to fraction form
    13,833.57/20,750.09 = 3,972.63/x
  3. Step 3: Cross multiply
    13,833.57x = 20,750.09 × 3,972.63
  4. Step 4: Simplify right side
    13,833.57x = 82,432,410.17
  5. Step 5: Solve for x
    x = 82,432,410.17/13,833.57
  6. Step 6: Final answer
    x = 5,958.87

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