Home / 11,078.80-16,613.33-4,148.44

Finding the Fourth Proportional to 11,078.80, 16,613.33 and 4,148.44

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Solution

The fourth proportional to 11,078.80, 16,613.33 and 4,148.44 is: 6,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.80 : 16,613.33 = 4,148.44 : x
  2. Step 2: Convert to fraction form
    11,078.80/16,613.33 = 4,148.44/x
  3. Step 3: Cross multiply
    11,078.80x = 16,613.33 × 4,148.44
  4. Step 4: Simplify right side
    11,078.80x = 68,919,371.54
  5. Step 5: Solve for x
    x = 68,919,371.54/11,078.80
  6. Step 6: Final answer
    x = 6,220.84

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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.