Home / 11,761.53-16,231.50-6,456.30

Finding the Fourth Proportional to 11,761.53, 16,231.50 and 6,456.30

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Solution

The fourth proportional to 11,761.53, 16,231.50 and 6,456.30 is: 8,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.53 : 16,231.50 = 6,456.30 : x
  2. Step 2: Convert to fraction form
    11,761.53/16,231.50 = 6,456.30/x
  3. Step 3: Cross multiply
    11,761.53x = 16,231.50 × 6,456.30
  4. Step 4: Simplify right side
    11,761.53x = 104,795,433.45
  5. Step 5: Solve for x
    x = 104,795,433.45/11,761.53
  6. Step 6: Final answer
    x = 8,910.02

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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.