Home / 11,183.62-16,777.22-3,390.60

Finding the Fourth Proportional to 11,183.62, 16,777.22 and 3,390.60

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Solution

The fourth proportional to 11,183.62, 16,777.22 and 3,390.60 is: 5,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.62 : 16,777.22 = 3,390.60 : x
  2. Step 2: Convert to fraction form
    11,183.62/16,777.22 = 3,390.60/x
  3. Step 3: Cross multiply
    11,183.62x = 16,777.22 × 3,390.60
  4. Step 4: Simplify right side
    11,183.62x = 56,884,842.13
  5. Step 5: Solve for x
    x = 56,884,842.13/11,183.62
  6. Step 6: Final answer
    x = 5,086.44

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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.