Home / 20,176.16-27,845.40-12,218.24

Finding the Fourth Proportional to 20,176.16, 27,845.40 and 12,218.24

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Solution

The fourth proportional to 20,176.16, 27,845.40 and 12,218.24 is: 16,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.16 : 27,845.40 = 12,218.24 : x
  2. Step 2: Convert to fraction form
    20,176.16/27,845.40 = 12,218.24/x
  3. Step 3: Cross multiply
    20,176.16x = 27,845.40 × 12,218.24
  4. Step 4: Simplify right side
    20,176.16x = 340,221,780.10
  5. Step 5: Solve for x
    x = 340,221,780.10/20,176.16
  6. Step 6: Final answer
    x = 16,862.56

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