Home / 11,489.27-15,843.18-9,095.42

Finding the Fourth Proportional to 11,489.27, 15,843.18 and 9,095.42

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Solution

The fourth proportional to 11,489.27, 15,843.18 and 9,095.42 is: 12,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.27 : 15,843.18 = 9,095.42 : x
  2. Step 2: Convert to fraction form
    11,489.27/15,843.18 = 9,095.42/x
  3. Step 3: Cross multiply
    11,489.27x = 15,843.18 × 9,095.42
  4. Step 4: Simplify right side
    11,489.27x = 144,100,251.54
  5. Step 5: Solve for x
    x = 144,100,251.54/11,489.27
  6. Step 6: Final answer
    x = 12,542.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.