Home / 11,190.82-16,786.66-3,399.44

Finding the Fourth Proportional to 11,190.82, 16,786.66 and 3,399.44

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Solution

The fourth proportional to 11,190.82, 16,786.66 and 3,399.44 is: 5,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.82 : 16,786.66 = 3,399.44 : x
  2. Step 2: Convert to fraction form
    11,190.82/16,786.66 = 3,399.44/x
  3. Step 3: Cross multiply
    11,190.82x = 16,786.66 × 3,399.44
  4. Step 4: Simplify right side
    11,190.82x = 57,065,243.47
  5. Step 5: Solve for x
    x = 57,065,243.47/11,190.82
  6. Step 6: Final answer
    x = 5,099.29

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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.