Home / 9,195.50-12,685.85-7,198.04

Finding the Fourth Proportional to 9,195.50, 12,685.85 and 7,198.04

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Solution

The fourth proportional to 9,195.50, 12,685.85 and 7,198.04 is: 9,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.50 : 12,685.85 = 7,198.04 : x
  2. Step 2: Convert to fraction form
    9,195.50/12,685.85 = 7,198.04/x
  3. Step 3: Cross multiply
    9,195.50x = 12,685.85 × 7,198.04
  4. Step 4: Simplify right side
    9,195.50x = 91,313,255.73
  5. Step 5: Solve for x
    x = 91,313,255.73/9,195.50
  6. Step 6: Final answer
    x = 9,930.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.