Home / 13,195.80-19,793.67-3,961.80

Finding the Fourth Proportional to 13,195.80, 19,793.67 and 3,961.80

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Solution

The fourth proportional to 13,195.80, 19,793.67 and 3,961.80 is: 5,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.80 : 19,793.67 = 3,961.80 : x
  2. Step 2: Convert to fraction form
    13,195.80/19,793.67 = 3,961.80/x
  3. Step 3: Cross multiply
    13,195.80x = 19,793.67 × 3,961.80
  4. Step 4: Simplify right side
    13,195.80x = 78,418,561.81
  5. Step 5: Solve for x
    x = 78,418,561.81/13,195.80
  6. Step 6: Final answer
    x = 5,942.69

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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.