Home / 11,081.15-16,621.59-3,183.85

Finding the Fourth Proportional to 11,081.15, 16,621.59 and 3,183.85

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Solution

The fourth proportional to 11,081.15, 16,621.59 and 3,183.85 is: 4,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.15 : 16,621.59 = 3,183.85 : x
  2. Step 2: Convert to fraction form
    11,081.15/16,621.59 = 3,183.85/x
  3. Step 3: Cross multiply
    11,081.15x = 16,621.59 × 3,183.85
  4. Step 4: Simplify right side
    11,081.15x = 52,920,649.32
  5. Step 5: Solve for x
    x = 52,920,649.32/11,081.15
  6. Step 6: Final answer
    x = 4,775.74

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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.