Home / 11,613.28-17,419.92-2,848.12

Finding the Fourth Proportional to 11,613.28, 17,419.92 and 2,848.12

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Solution

The fourth proportional to 11,613.28, 17,419.92 and 2,848.12 is: 4,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.28 : 17,419.92 = 2,848.12 : x
  2. Step 2: Convert to fraction form
    11,613.28/17,419.92 = 2,848.12/x
  3. Step 3: Cross multiply
    11,613.28x = 17,419.92 × 2,848.12
  4. Step 4: Simplify right side
    11,613.28x = 49,614,022.55
  5. Step 5: Solve for x
    x = 49,614,022.55/11,613.28
  6. Step 6: Final answer
    x = 4,272.18

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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.