Home / 11,170.64-16,755.84-2,850.57

Finding the Fourth Proportional to 11,170.64, 16,755.84 and 2,850.57

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Solution

The fourth proportional to 11,170.64, 16,755.84 and 2,850.57 is: 4,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.64 : 16,755.84 = 2,850.57 : x
  2. Step 2: Convert to fraction form
    11,170.64/16,755.84 = 2,850.57/x
  3. Step 3: Cross multiply
    11,170.64x = 16,755.84 × 2,850.57
  4. Step 4: Simplify right side
    11,170.64x = 47,763,694.83
  5. Step 5: Solve for x
    x = 47,763,694.83/11,170.64
  6. Step 6: Final answer
    x = 4,275.82

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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.