Home / 18,633.38-25,714.26-10,249.88

Finding the Fourth Proportional to 18,633.38, 25,714.26 and 10,249.88

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Solution

The fourth proportional to 18,633.38, 25,714.26 and 10,249.88 is: 14,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.38 : 25,714.26 = 10,249.88 : x
  2. Step 2: Convert to fraction form
    18,633.38/25,714.26 = 10,249.88/x
  3. Step 3: Cross multiply
    18,633.38x = 25,714.26 × 10,249.88
  4. Step 4: Simplify right side
    18,633.38x = 263,567,950.72
  5. Step 5: Solve for x
    x = 263,567,950.72/18,633.38
  6. Step 6: Final answer
    x = 14,144.94

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Half scale
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Double scale
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Similar ratio
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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.