Home / 11,029.20-16,520.04-5,177.04

Finding the Fourth Proportional to 11,029.20, 16,520.04 and 5,177.04

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Solution

The fourth proportional to 11,029.20, 16,520.04 and 5,177.04 is: 7,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.20 : 16,520.04 = 5,177.04 : x
  2. Step 2: Convert to fraction form
    11,029.20/16,520.04 = 5,177.04/x
  3. Step 3: Cross multiply
    11,029.20x = 16,520.04 × 5,177.04
  4. Step 4: Simplify right side
    11,029.20x = 85,524,907.88
  5. Step 5: Solve for x
    x = 85,524,907.88/11,029.20
  6. Step 6: Final answer
    x = 7,754.41

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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.