Home / 12,046.38-18,068.97-6,121.44

Finding the Fourth Proportional to 12,046.38, 18,068.97 and 6,121.44

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Solution

The fourth proportional to 12,046.38, 18,068.97 and 6,121.44 is: 9,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.38 : 18,068.97 = 6,121.44 : x
  2. Step 2: Convert to fraction form
    12,046.38/18,068.97 = 6,121.44/x
  3. Step 3: Cross multiply
    12,046.38x = 18,068.97 × 6,121.44
  4. Step 4: Simplify right side
    12,046.38x = 110,608,115.72
  5. Step 5: Solve for x
    x = 110,608,115.72/12,046.38
  6. Step 6: Final answer
    x = 9,181.86

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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.