Home / 9,976.92-13,766.94-5,500.32

Finding the Fourth Proportional to 9,976.92, 13,766.94 and 5,500.32

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Solution

The fourth proportional to 9,976.92, 13,766.94 and 5,500.32 is: 7,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.92 : 13,766.94 = 5,500.32 : x
  2. Step 2: Convert to fraction form
    9,976.92/13,766.94 = 5,500.32/x
  3. Step 3: Cross multiply
    9,976.92x = 13,766.94 × 5,500.32
  4. Step 4: Simplify right side
    9,976.92x = 75,722,575.42
  5. Step 5: Solve for x
    x = 75,722,575.42/9,976.92
  6. Step 6: Final answer
    x = 7,589.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.