Home / 12,067.85-18,104.60-3,747.44

Finding the Fourth Proportional to 12,067.85, 18,104.60 and 3,747.44

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Solution

The fourth proportional to 12,067.85, 18,104.60 and 3,747.44 is: 5,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.85 : 18,104.60 = 3,747.44 : x
  2. Step 2: Convert to fraction form
    12,067.85/18,104.60 = 3,747.44/x
  3. Step 3: Cross multiply
    12,067.85x = 18,104.60 × 3,747.44
  4. Step 4: Simplify right side
    12,067.85x = 67,845,821.07
  5. Step 5: Solve for x
    x = 67,845,821.07/12,067.85
  6. Step 6: Final answer
    x = 5,622.03

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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.