Home / 11,181.50-16,772.82-2,861.59

Finding the Fourth Proportional to 11,181.50, 16,772.82 and 2,861.59

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Solution

The fourth proportional to 11,181.50, 16,772.82 and 2,861.59 is: 4,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.50 : 16,772.82 = 2,861.59 : x
  2. Step 2: Convert to fraction form
    11,181.50/16,772.82 = 2,861.59/x
  3. Step 3: Cross multiply
    11,181.50x = 16,772.82 × 2,861.59
  4. Step 4: Simplify right side
    11,181.50x = 47,996,850.12
  5. Step 5: Solve for x
    x = 47,996,850.12/11,181.50
  6. Step 6: Final answer
    x = 4,292.52

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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.