Home / 10,819.85-16,230.18-3,028.46

Finding the Fourth Proportional to 10,819.85, 16,230.18 and 3,028.46

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Solution

The fourth proportional to 10,819.85, 16,230.18 and 3,028.46 is: 4,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.85 : 16,230.18 = 3,028.46 : x
  2. Step 2: Convert to fraction form
    10,819.85/16,230.18 = 3,028.46/x
  3. Step 3: Cross multiply
    10,819.85x = 16,230.18 × 3,028.46
  4. Step 4: Simplify right side
    10,819.85x = 49,152,450.92
  5. Step 5: Solve for x
    x = 49,152,450.92/10,819.85
  6. Step 6: Final answer
    x = 4,542.80

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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.