Home / 18,741.66-28,121.13-9,514.14

Finding the Fourth Proportional to 18,741.66, 28,121.13 and 9,514.14

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Solution

The fourth proportional to 18,741.66, 28,121.13 and 9,514.14 is: 14,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.66 : 28,121.13 = 9,514.14 : x
  2. Step 2: Convert to fraction form
    18,741.66/28,121.13 = 9,514.14/x
  3. Step 3: Cross multiply
    18,741.66x = 28,121.13 × 9,514.14
  4. Step 4: Simplify right side
    18,741.66x = 267,548,367.78
  5. Step 5: Solve for x
    x = 267,548,367.78/18,741.66
  6. Step 6: Final answer
    x = 14,275.60

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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.