Home / 11,845.12-17,764.08-4,918

Finding the Fourth Proportional to 11,845.12, 17,764.08 and 4,918

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Solution

The fourth proportional to 11,845.12, 17,764.08 and 4,918 is: 7,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.12 : 17,764.08 = 4,918 : x
  2. Step 2: Convert to fraction form
    11,845.12/17,764.08 = 4,918/x
  3. Step 3: Cross multiply
    11,845.12x = 17,764.08 × 4,918
  4. Step 4: Simplify right side
    11,845.12x = 87,363,745.44
  5. Step 5: Solve for x
    x = 87,363,745.44/11,845.12
  6. Step 6: Final answer
    x = 7,375.51

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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.