Home / 10,279.62-15,418.29-2,884.38

Finding the Fourth Proportional to 10,279.62, 15,418.29 and 2,884.38

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Solution

The fourth proportional to 10,279.62, 15,418.29 and 2,884.38 is: 4,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.62 : 15,418.29 = 2,884.38 : x
  2. Step 2: Convert to fraction form
    10,279.62/15,418.29 = 2,884.38/x
  3. Step 3: Cross multiply
    10,279.62x = 15,418.29 × 2,884.38
  4. Step 4: Simplify right side
    10,279.62x = 44,472,207.31
  5. Step 5: Solve for x
    x = 44,472,207.31/10,279.62
  6. Step 6: Final answer
    x = 4,326.25

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1.5x scale

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.