Home / 11,655.28-17,479.14-3,862

Finding the Fourth Proportional to 11,655.28, 17,479.14 and 3,862

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Solution

The fourth proportional to 11,655.28, 17,479.14 and 3,862 is: 5,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.28 : 17,479.14 = 3,862 : x
  2. Step 2: Convert to fraction form
    11,655.28/17,479.14 = 3,862/x
  3. Step 3: Cross multiply
    11,655.28x = 17,479.14 × 3,862
  4. Step 4: Simplify right side
    11,655.28x = 67,504,438.68
  5. Step 5: Solve for x
    x = 67,504,438.68/11,655.28
  6. Step 6: Final answer
    x = 5,791.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.