Home / 17,278.05-25,910.60-7,412.25

Finding the Fourth Proportional to 17,278.05, 25,910.60 and 7,412.25

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Solution

The fourth proportional to 17,278.05, 25,910.60 and 7,412.25 is: 11,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.05 : 25,910.60 = 7,412.25 : x
  2. Step 2: Convert to fraction form
    17,278.05/25,910.60 = 7,412.25/x
  3. Step 3: Cross multiply
    17,278.05x = 25,910.60 × 7,412.25
  4. Step 4: Simplify right side
    17,278.05x = 192,055,807.79
  5. Step 5: Solve for x
    x = 192,055,807.79/17,278.05
  6. Step 6: Final answer
    x = 11,115.60

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