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Finding the Fourth Proportional to 13,371.12, 20,041.64 and 5,045.48

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Solution

The fourth proportional to 13,371.12, 20,041.64 and 5,045.48 is: 7,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.12 : 20,041.64 = 5,045.48 : x
  2. Step 2: Convert to fraction form
    13,371.12/20,041.64 = 5,045.48/x
  3. Step 3: Cross multiply
    13,371.12x = 20,041.64 × 5,045.48
  4. Step 4: Simplify right side
    13,371.12x = 101,119,718.66
  5. Step 5: Solve for x
    x = 101,119,718.66/13,371.12
  6. Step 6: Final answer
    x = 7,562.55

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