Home / 11,212.89-16,819.34-4,631.85

Finding the Fourth Proportional to 11,212.89, 16,819.34 and 4,631.85

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Solution

The fourth proportional to 11,212.89, 16,819.34 and 4,631.85 is: 6,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.89 : 16,819.34 = 4,631.85 : x
  2. Step 2: Convert to fraction form
    11,212.89/16,819.34 = 4,631.85/x
  3. Step 3: Cross multiply
    11,212.89x = 16,819.34 × 4,631.85
  4. Step 4: Simplify right side
    11,212.89x = 77,904,659.98
  5. Step 5: Solve for x
    x = 77,904,659.98/11,212.89
  6. Step 6: Final answer
    x = 6,947.78

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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.