Home / 10,461.24-15,686.16-3,439.62

Finding the Fourth Proportional to 10,461.24, 15,686.16 and 3,439.62

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Solution

The fourth proportional to 10,461.24, 15,686.16 and 3,439.62 is: 5,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.24 : 15,686.16 = 3,439.62 : x
  2. Step 2: Convert to fraction form
    10,461.24/15,686.16 = 3,439.62/x
  3. Step 3: Cross multiply
    10,461.24x = 15,686.16 × 3,439.62
  4. Step 4: Simplify right side
    10,461.24x = 53,954,429.66
  5. Step 5: Solve for x
    x = 53,954,429.66/10,461.24
  6. Step 6: Final answer
    x = 5,157.56

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