Home / 11,257.26-16,879.82-7,976.76

Finding the Fourth Proportional to 11,257.26, 16,879.82 and 7,976.76

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Solution

The fourth proportional to 11,257.26, 16,879.82 and 7,976.76 is: 11,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.26 : 16,879.82 = 7,976.76 : x
  2. Step 2: Convert to fraction form
    11,257.26/16,879.82 = 7,976.76/x
  3. Step 3: Cross multiply
    11,257.26x = 16,879.82 × 7,976.76
  4. Step 4: Simplify right side
    11,257.26x = 134,646,233.10
  5. Step 5: Solve for x
    x = 134,646,233.10/11,257.26
  6. Step 6: Final answer
    x = 11,960.84

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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.