Home / 23,145.23-34,719.48-11,455.31

Finding the Fourth Proportional to 23,145.23, 34,719.48 and 11,455.31

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Solution

The fourth proportional to 23,145.23, 34,719.48 and 11,455.31 is: 17,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.23 : 34,719.48 = 11,455.31 : x
  2. Step 2: Convert to fraction form
    23,145.23/34,719.48 = 11,455.31/x
  3. Step 3: Cross multiply
    23,145.23x = 34,719.48 × 11,455.31
  4. Step 4: Simplify right side
    23,145.23x = 397,722,493.24
  5. Step 5: Solve for x
    x = 397,722,493.24/23,145.23
  6. Step 6: Final answer
    x = 17,183.78

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