Home / 10,385.97-15,575.31-2,988.44

Finding the Fourth Proportional to 10,385.97, 15,575.31 and 2,988.44

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Solution

The fourth proportional to 10,385.97, 15,575.31 and 2,988.44 is: 4,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.97 : 15,575.31 = 2,988.44 : x
  2. Step 2: Convert to fraction form
    10,385.97/15,575.31 = 2,988.44/x
  3. Step 3: Cross multiply
    10,385.97x = 15,575.31 × 2,988.44
  4. Step 4: Simplify right side
    10,385.97x = 46,545,955.96
  5. Step 5: Solve for x
    x = 46,545,955.96/10,385.97
  6. Step 6: Final answer
    x = 4,481.62

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