Home / 11,180.88-16,770.84-2,861.12

Finding the Fourth Proportional to 11,180.88, 16,770.84 and 2,861.12

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Solution

The fourth proportional to 11,180.88, 16,770.84 and 2,861.12 is: 4,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.88 : 16,770.84 = 2,861.12 : x
  2. Step 2: Convert to fraction form
    11,180.88/16,770.84 = 2,861.12/x
  3. Step 3: Cross multiply
    11,180.88x = 16,770.84 × 2,861.12
  4. Step 4: Simplify right side
    11,180.88x = 47,983,385.74
  5. Step 5: Solve for x
    x = 47,983,385.74/11,180.88
  6. Step 6: Final answer
    x = 4,291.56

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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.