Home / 9,976.26-14,961.11-3,311.25

Finding the Fourth Proportional to 9,976.26, 14,961.11 and 3,311.25

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Solution

The fourth proportional to 9,976.26, 14,961.11 and 3,311.25 is: 4,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.26 : 14,961.11 = 3,311.25 : x
  2. Step 2: Convert to fraction form
    9,976.26/14,961.11 = 3,311.25/x
  3. Step 3: Cross multiply
    9,976.26x = 14,961.11 × 3,311.25
  4. Step 4: Simplify right side
    9,976.26x = 49,539,902.83
  5. Step 5: Solve for x
    x = 49,539,902.83/9,976.26
  6. Step 6: Final answer
    x = 4,965.78

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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.