Home / 12,079.44-18,117.03-3,194.85

Finding the Fourth Proportional to 12,079.44, 18,117.03 and 3,194.85

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Solution

The fourth proportional to 12,079.44, 18,117.03 and 3,194.85 is: 4,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.44 : 18,117.03 = 3,194.85 : x
  2. Step 2: Convert to fraction form
    12,079.44/18,117.03 = 3,194.85/x
  3. Step 3: Cross multiply
    12,079.44x = 18,117.03 × 3,194.85
  4. Step 4: Simplify right side
    12,079.44x = 57,881,193.30
  5. Step 5: Solve for x
    x = 57,881,193.30/12,079.44
  6. Step 6: Final answer
    x = 4,791.71

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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.