Home / 11,171.82-16,757.74-3,380.64

Finding the Fourth Proportional to 11,171.82, 16,757.74 and 3,380.64

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Solution

The fourth proportional to 11,171.82, 16,757.74 and 3,380.64 is: 5,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.82 : 16,757.74 = 3,380.64 : x
  2. Step 2: Convert to fraction form
    11,171.82/16,757.74 = 3,380.64/x
  3. Step 3: Cross multiply
    11,171.82x = 16,757.74 × 3,380.64
  4. Step 4: Simplify right side
    11,171.82x = 56,651,886.15
  5. Step 5: Solve for x
    x = 56,651,886.15/11,171.82
  6. Step 6: Final answer
    x = 5,070.96

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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.