Home / 18,826.89-28,221.97-8,963.52

Finding the Fourth Proportional to 18,826.89, 28,221.97 and 8,963.52

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Solution

The fourth proportional to 18,826.89, 28,221.97 and 8,963.52 is: 13,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.89 : 28,221.97 = 8,963.52 : x
  2. Step 2: Convert to fraction form
    18,826.89/28,221.97 = 8,963.52/x
  3. Step 3: Cross multiply
    18,826.89x = 28,221.97 × 8,963.52
  4. Step 4: Simplify right side
    18,826.89x = 252,968,192.53
  5. Step 5: Solve for x
    x = 252,968,192.53/18,826.89
  6. Step 6: Final answer
    x = 13,436.54

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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.