Home / 11,179.70-16,771.80-3,282.20

Finding the Fourth Proportional to 11,179.70, 16,771.80 and 3,282.20

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Solution

The fourth proportional to 11,179.70, 16,771.80 and 3,282.20 is: 4,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.70 : 16,771.80 = 3,282.20 : x
  2. Step 2: Convert to fraction form
    11,179.70/16,771.80 = 3,282.20/x
  3. Step 3: Cross multiply
    11,179.70x = 16,771.80 × 3,282.20
  4. Step 4: Simplify right side
    11,179.70x = 55,048,401.96
  5. Step 5: Solve for x
    x = 55,048,401.96/11,179.70
  6. Step 6: Final answer
    x = 4,923.96

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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.