Home / 10,279.42-15,418.86-2,883.94

Finding the Fourth Proportional to 10,279.42, 15,418.86 and 2,883.94

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Solution

The fourth proportional to 10,279.42, 15,418.86 and 2,883.94 is: 4,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.42 : 15,418.86 = 2,883.94 : x
  2. Step 2: Convert to fraction form
    10,279.42/15,418.86 = 2,883.94/x
  3. Step 3: Cross multiply
    10,279.42x = 15,418.86 × 2,883.94
  4. Step 4: Simplify right side
    10,279.42x = 44,467,067.11
  5. Step 5: Solve for x
    x = 44,467,067.11/10,279.42
  6. Step 6: Final answer
    x = 4,325.83

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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.