Home / 10,198.57-15,293.70-3,176.22

Finding the Fourth Proportional to 10,198.57, 15,293.70 and 3,176.22

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Solution

The fourth proportional to 10,198.57, 15,293.70 and 3,176.22 is: 4,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.57 : 15,293.70 = 3,176.22 : x
  2. Step 2: Convert to fraction form
    10,198.57/15,293.70 = 3,176.22/x
  3. Step 3: Cross multiply
    10,198.57x = 15,293.70 × 3,176.22
  4. Step 4: Simplify right side
    10,198.57x = 48,576,147.87
  5. Step 5: Solve for x
    x = 48,576,147.87/10,198.57
  6. Step 6: Final answer
    x = 4,763.04

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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.