Home / 10,387.80-15,581.76-3,462.28

Finding the Fourth Proportional to 10,387.80, 15,581.76 and 3,462.28

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Solution

The fourth proportional to 10,387.80, 15,581.76 and 3,462.28 is: 5,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.80 : 15,581.76 = 3,462.28 : x
  2. Step 2: Convert to fraction form
    10,387.80/15,581.76 = 3,462.28/x
  3. Step 3: Cross multiply
    10,387.80x = 15,581.76 × 3,462.28
  4. Step 4: Simplify right side
    10,387.80x = 53,948,416.01
  5. Step 5: Solve for x
    x = 53,948,416.01/10,387.80
  6. Step 6: Final answer
    x = 5,193.44

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