Home / 13,429.02-20,140.92-3,942.48

Finding the Fourth Proportional to 13,429.02, 20,140.92 and 3,942.48

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Solution

The fourth proportional to 13,429.02, 20,140.92 and 3,942.48 is: 5,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.02 : 20,140.92 = 3,942.48 : x
  2. Step 2: Convert to fraction form
    13,429.02/20,140.92 = 3,942.48/x
  3. Step 3: Cross multiply
    13,429.02x = 20,140.92 × 3,942.48
  4. Step 4: Simplify right side
    13,429.02x = 79,405,174.28
  5. Step 5: Solve for x
    x = 79,405,174.28/13,429.02
  6. Step 6: Final answer
    x = 5,912.95

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