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Finding the Fourth Proportional to 13,352.96, 20,028.74 and 3,993.06

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Solution

The fourth proportional to 13,352.96, 20,028.74 and 3,993.06 is: 5,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.96 : 20,028.74 = 3,993.06 : x
  2. Step 2: Convert to fraction form
    13,352.96/20,028.74 = 3,993.06/x
  3. Step 3: Cross multiply
    13,352.96x = 20,028.74 × 3,993.06
  4. Step 4: Simplify right side
    13,352.96x = 79,975,964.88
  5. Step 5: Solve for x
    x = 79,975,964.88/13,352.96
  6. Step 6: Final answer
    x = 5,989.38

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