Home / 12,139.04-18,208.80-3,373.83

Finding the Fourth Proportional to 12,139.04, 18,208.80 and 3,373.83

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Solution

The fourth proportional to 12,139.04, 18,208.80 and 3,373.83 is: 5,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139.04 : 18,208.80 = 3,373.83 : x
  2. Step 2: Convert to fraction form
    12,139.04/18,208.80 = 3,373.83/x
  3. Step 3: Cross multiply
    12,139.04x = 18,208.80 × 3,373.83
  4. Step 4: Simplify right side
    12,139.04x = 61,433,395.70
  5. Step 5: Solve for x
    x = 61,433,395.70/12,139.04
  6. Step 6: Final answer
    x = 5,060.81

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