Home / 11,437.12-17,140.20-7,270.48

Finding the Fourth Proportional to 11,437.12, 17,140.20 and 7,270.48

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Solution

The fourth proportional to 11,437.12, 17,140.20 and 7,270.48 is: 10,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.12 : 17,140.20 = 7,270.48 : x
  2. Step 2: Convert to fraction form
    11,437.12/17,140.20 = 7,270.48/x
  3. Step 3: Cross multiply
    11,437.12x = 17,140.20 × 7,270.48
  4. Step 4: Simplify right side
    11,437.12x = 124,617,481.30
  5. Step 5: Solve for x
    x = 124,617,481.30/11,437.12
  6. Step 6: Final answer
    x = 10,895.88

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