Home / 11,086.80-16,630.20-5,531.84

Finding the Fourth Proportional to 11,086.80, 16,630.20 and 5,531.84

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Solution

The fourth proportional to 11,086.80, 16,630.20 and 5,531.84 is: 8,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.80 : 16,630.20 = 5,531.84 : x
  2. Step 2: Convert to fraction form
    11,086.80/16,630.20 = 5,531.84/x
  3. Step 3: Cross multiply
    11,086.80x = 16,630.20 × 5,531.84
  4. Step 4: Simplify right side
    11,086.80x = 91,995,605.57
  5. Step 5: Solve for x
    x = 91,995,605.57/11,086.80
  6. Step 6: Final answer
    x = 8,297.76

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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.