Home / 10,819.68-16,229.43-6,141.84

Finding the Fourth Proportional to 10,819.68, 16,229.43 and 6,141.84

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Solution

The fourth proportional to 10,819.68, 16,229.43 and 6,141.84 is: 9,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.68 : 16,229.43 = 6,141.84 : x
  2. Step 2: Convert to fraction form
    10,819.68/16,229.43 = 6,141.84/x
  3. Step 3: Cross multiply
    10,819.68x = 16,229.43 × 6,141.84
  4. Step 4: Simplify right side
    10,819.68x = 99,678,562.35
  5. Step 5: Solve for x
    x = 99,678,562.35/10,819.68
  6. Step 6: Final answer
    x = 9,212.71

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1.5x scale

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.