Home / 10,222.20-15,336.24-3,648.85

Finding the Fourth Proportional to 10,222.20, 15,336.24 and 3,648.85

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Solution

The fourth proportional to 10,222.20, 15,336.24 and 3,648.85 is: 5,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.20 : 15,336.24 = 3,648.85 : x
  2. Step 2: Convert to fraction form
    10,222.20/15,336.24 = 3,648.85/x
  3. Step 3: Cross multiply
    10,222.20x = 15,336.24 × 3,648.85
  4. Step 4: Simplify right side
    10,222.20x = 55,959,587.30
  5. Step 5: Solve for x
    x = 55,959,587.30/10,222.20
  6. Step 6: Final answer
    x = 5,474.32

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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.