Home / 11,215.28-16,825.13-3,317.94

Finding the Fourth Proportional to 11,215.28, 16,825.13 and 3,317.94

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Solution

The fourth proportional to 11,215.28, 16,825.13 and 3,317.94 is: 4,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.28 : 16,825.13 = 3,317.94 : x
  2. Step 2: Convert to fraction form
    11,215.28/16,825.13 = 3,317.94/x
  3. Step 3: Cross multiply
    11,215.28x = 16,825.13 × 3,317.94
  4. Step 4: Simplify right side
    11,215.28x = 55,824,755.24
  5. Step 5: Solve for x
    x = 55,824,755.24/11,215.28
  6. Step 6: Final answer
    x = 4,977.56

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