Home / 11,179.62-16,769.70-3,388.50

Finding the Fourth Proportional to 11,179.62, 16,769.70 and 3,388.50

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Solution

The fourth proportional to 11,179.62, 16,769.70 and 3,388.50 is: 5,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.62 : 16,769.70 = 3,388.50 : x
  2. Step 2: Convert to fraction form
    11,179.62/16,769.70 = 3,388.50/x
  3. Step 3: Cross multiply
    11,179.62x = 16,769.70 × 3,388.50
  4. Step 4: Simplify right side
    11,179.62x = 56,824,128.45
  5. Step 5: Solve for x
    x = 56,824,128.45/11,179.62
  6. Step 6: Final answer
    x = 5,082.83

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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.