Home / 11,220.12-16,845.30-5,959.80

Finding the Fourth Proportional to 11,220.12, 16,845.30 and 5,959.80

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Solution

The fourth proportional to 11,220.12, 16,845.30 and 5,959.80 is: 8,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.12 : 16,845.30 = 5,959.80 : x
  2. Step 2: Convert to fraction form
    11,220.12/16,845.30 = 5,959.80/x
  3. Step 3: Cross multiply
    11,220.12x = 16,845.30 × 5,959.80
  4. Step 4: Simplify right side
    11,220.12x = 100,394,618.94
  5. Step 5: Solve for x
    x = 100,394,618.94/11,220.12
  6. Step 6: Final answer
    x = 8,947.73

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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.