Home / 11,747.70-17,621.55-3,961.98

Finding the Fourth Proportional to 11,747.70, 17,621.55 and 3,961.98

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Solution

The fourth proportional to 11,747.70, 17,621.55 and 3,961.98 is: 5,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.70 : 17,621.55 = 3,961.98 : x
  2. Step 2: Convert to fraction form
    11,747.70/17,621.55 = 3,961.98/x
  3. Step 3: Cross multiply
    11,747.70x = 17,621.55 × 3,961.98
  4. Step 4: Simplify right side
    11,747.70x = 69,816,228.67
  5. Step 5: Solve for x
    x = 69,816,228.67/11,747.70
  6. Step 6: Final answer
    x = 5,942.97

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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.