Home / 21,979.39-32,974.48-6,397.15

Finding the Fourth Proportional to 21,979.39, 32,974.48 and 6,397.15

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Solution

The fourth proportional to 21,979.39, 32,974.48 and 6,397.15 is: 9,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,979.39 : 32,974.48 = 6,397.15 : x
  2. Step 2: Convert to fraction form
    21,979.39/32,974.48 = 6,397.15/x
  3. Step 3: Cross multiply
    21,979.39x = 32,974.48 × 6,397.15
  4. Step 4: Simplify right side
    21,979.39x = 210,942,513.87
  5. Step 5: Solve for x
    x = 210,942,513.87/21,979.39
  6. Step 6: Final answer
    x = 9,597.29

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