Home / 10,183.08-15,274.92-3,613.80

Finding the Fourth Proportional to 10,183.08, 15,274.92 and 3,613.80

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Solution

The fourth proportional to 10,183.08, 15,274.92 and 3,613.80 is: 5,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.08 : 15,274.92 = 3,613.80 : x
  2. Step 2: Convert to fraction form
    10,183.08/15,274.92 = 3,613.80/x
  3. Step 3: Cross multiply
    10,183.08x = 15,274.92 × 3,613.80
  4. Step 4: Simplify right side
    10,183.08x = 55,200,505.90
  5. Step 5: Solve for x
    x = 55,200,505.90/10,183.08
  6. Step 6: Final answer
    x = 5,420.81

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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.