Home / 11,331.32-16,996.98-3,540.20

Finding the Fourth Proportional to 11,331.32, 16,996.98 and 3,540.20

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Solution

The fourth proportional to 11,331.32, 16,996.98 and 3,540.20 is: 5,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.32 : 16,996.98 = 3,540.20 : x
  2. Step 2: Convert to fraction form
    11,331.32/16,996.98 = 3,540.20/x
  3. Step 3: Cross multiply
    11,331.32x = 16,996.98 × 3,540.20
  4. Step 4: Simplify right side
    11,331.32x = 60,172,708.60
  5. Step 5: Solve for x
    x = 60,172,708.60/11,331.32
  6. Step 6: Final answer
    x = 5,310.30

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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.