Home / 11,761.56-16,231.26-6,456.66

Finding the Fourth Proportional to 11,761.56, 16,231.26 and 6,456.66

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Solution

The fourth proportional to 11,761.56, 16,231.26 and 6,456.66 is: 8,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.56 : 16,231.26 = 6,456.66 : x
  2. Step 2: Convert to fraction form
    11,761.56/16,231.26 = 6,456.66/x
  3. Step 3: Cross multiply
    11,761.56x = 16,231.26 × 6,456.66
  4. Step 4: Simplify right side
    11,761.56x = 104,799,727.19
  5. Step 5: Solve for x
    x = 104,799,727.19/11,761.56
  6. Step 6: Final answer
    x = 8,910.36

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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.