Home / 10,249.47-15,372.68-2,853.17

Finding the Fourth Proportional to 10,249.47, 15,372.68 and 2,853.17

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Solution

The fourth proportional to 10,249.47, 15,372.68 and 2,853.17 is: 4,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.47 : 15,372.68 = 2,853.17 : x
  2. Step 2: Convert to fraction form
    10,249.47/15,372.68 = 2,853.17/x
  3. Step 3: Cross multiply
    10,249.47x = 15,372.68 × 2,853.17
  4. Step 4: Simplify right side
    10,249.47x = 43,860,778.27
  5. Step 5: Solve for x
    x = 43,860,778.27/10,249.47
  6. Step 6: Final answer
    x = 4,279.32

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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.