Home / 11,972.92-17,959.38-4,181.56

Finding the Fourth Proportional to 11,972.92, 17,959.38 and 4,181.56

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Solution

The fourth proportional to 11,972.92, 17,959.38 and 4,181.56 is: 6,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.92 : 17,959.38 = 4,181.56 : x
  2. Step 2: Convert to fraction form
    11,972.92/17,959.38 = 4,181.56/x
  3. Step 3: Cross multiply
    11,972.92x = 17,959.38 × 4,181.56
  4. Step 4: Simplify right side
    11,972.92x = 75,098,225.03
  5. Step 5: Solve for x
    x = 75,098,225.03/11,972.92
  6. Step 6: Final answer
    x = 6,272.34

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