Home / 10,431.45-15,648.19-3,035.75

Finding the Fourth Proportional to 10,431.45, 15,648.19 and 3,035.75

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Solution

The fourth proportional to 10,431.45, 15,648.19 and 3,035.75 is: 4,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.45 : 15,648.19 = 3,035.75 : x
  2. Step 2: Convert to fraction form
    10,431.45/15,648.19 = 3,035.75/x
  3. Step 3: Cross multiply
    10,431.45x = 15,648.19 × 3,035.75
  4. Step 4: Simplify right side
    10,431.45x = 47,503,906.96
  5. Step 5: Solve for x
    x = 47,503,906.96/10,431.45
  6. Step 6: Final answer
    x = 4,553.91

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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.