Home / 10,198.01-15,299.38-3,177.65

Finding the Fourth Proportional to 10,198.01, 15,299.38 and 3,177.65

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Solution

The fourth proportional to 10,198.01, 15,299.38 and 3,177.65 is: 4,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.01 : 15,299.38 = 3,177.65 : x
  2. Step 2: Convert to fraction form
    10,198.01/15,299.38 = 3,177.65/x
  3. Step 3: Cross multiply
    10,198.01x = 15,299.38 × 3,177.65
  4. Step 4: Simplify right side
    10,198.01x = 48,616,074.86
  5. Step 5: Solve for x
    x = 48,616,074.86/10,198.01
  6. Step 6: Final answer
    x = 4,767.21

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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.