Home / 10,257.75-15,388.11-3,235.38

Finding the Fourth Proportional to 10,257.75, 15,388.11 and 3,235.38

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Solution

The fourth proportional to 10,257.75, 15,388.11 and 3,235.38 is: 4,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.75 : 15,388.11 = 3,235.38 : x
  2. Step 2: Convert to fraction form
    10,257.75/15,388.11 = 3,235.38/x
  3. Step 3: Cross multiply
    10,257.75x = 15,388.11 × 3,235.38
  4. Step 4: Simplify right side
    10,257.75x = 49,786,383.33
  5. Step 5: Solve for x
    x = 49,786,383.33/10,257.75
  6. Step 6: Final answer
    x = 4,853.54

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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.