Home / 11,185.22-16,777.45-2,865.31

Finding the Fourth Proportional to 11,185.22, 16,777.45 and 2,865.31

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Solution

The fourth proportional to 11,185.22, 16,777.45 and 2,865.31 is: 4,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.22 : 16,777.45 = 2,865.31 : x
  2. Step 2: Convert to fraction form
    11,185.22/16,777.45 = 2,865.31/x
  3. Step 3: Cross multiply
    11,185.22x = 16,777.45 × 2,865.31
  4. Step 4: Simplify right side
    11,185.22x = 48,072,540.78
  5. Step 5: Solve for x
    x = 48,072,540.78/11,185.22
  6. Step 6: Final answer
    x = 4,297.86

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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.