Home / 9,945.38-14,919.78-4,098.80

Finding the Fourth Proportional to 9,945.38, 14,919.78 and 4,098.80

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Solution

The fourth proportional to 9,945.38, 14,919.78 and 4,098.80 is: 6,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.38 : 14,919.78 = 4,098.80 : x
  2. Step 2: Convert to fraction form
    9,945.38/14,919.78 = 4,098.80/x
  3. Step 3: Cross multiply
    9,945.38x = 14,919.78 × 4,098.80
  4. Step 4: Simplify right side
    9,945.38x = 61,153,194.26
  5. Step 5: Solve for x
    x = 61,153,194.26/9,945.38
  6. Step 6: Final answer
    x = 6,148.90

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