Home / 10,161.99-15,242.85-3,587.22

Finding the Fourth Proportional to 10,161.99, 15,242.85 and 3,587.22

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Solution

The fourth proportional to 10,161.99, 15,242.85 and 3,587.22 is: 5,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.99 : 15,242.85 = 3,587.22 : x
  2. Step 2: Convert to fraction form
    10,161.99/15,242.85 = 3,587.22/x
  3. Step 3: Cross multiply
    10,161.99x = 15,242.85 × 3,587.22
  4. Step 4: Simplify right side
    10,161.99x = 54,679,456.38
  5. Step 5: Solve for x
    x = 54,679,456.38/10,161.99
  6. Step 6: Final answer
    x = 5,380.78

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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.