Home / 11,759.30-16,227.89-6,454.18

Finding the Fourth Proportional to 11,759.30, 16,227.89 and 6,454.18

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Solution

The fourth proportional to 11,759.30, 16,227.89 and 6,454.18 is: 8,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.30 : 16,227.89 = 6,454.18 : x
  2. Step 2: Convert to fraction form
    11,759.30/16,227.89 = 6,454.18/x
  3. Step 3: Cross multiply
    11,759.30x = 16,227.89 × 6,454.18
  4. Step 4: Simplify right side
    11,759.30x = 104,737,723.08
  5. Step 5: Solve for x
    x = 104,737,723.08/11,759.30
  6. Step 6: Final answer
    x = 8,906.80

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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.