Home / 11,508.42-15,843.23-10,979.44

Finding the Fourth Proportional to 11,508.42, 15,843.23 and 10,979.44

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Solution

The fourth proportional to 11,508.42, 15,843.23 and 10,979.44 is: 15,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.42 : 15,843.23 = 10,979.44 : x
  2. Step 2: Convert to fraction form
    11,508.42/15,843.23 = 10,979.44/x
  3. Step 3: Cross multiply
    11,508.42x = 15,843.23 × 10,979.44
  4. Step 4: Simplify right side
    11,508.42x = 173,949,793.19
  5. Step 5: Solve for x
    x = 173,949,793.19/11,508.42
  6. Step 6: Final answer
    x = 15,115.00

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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.