Home / 12,819.06-19,221.78-6,576.54

Finding the Fourth Proportional to 12,819.06, 19,221.78 and 6,576.54

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Solution

The fourth proportional to 12,819.06, 19,221.78 and 6,576.54 is: 9,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.06 : 19,221.78 = 6,576.54 : x
  2. Step 2: Convert to fraction form
    12,819.06/19,221.78 = 6,576.54/x
  3. Step 3: Cross multiply
    12,819.06x = 19,221.78 × 6,576.54
  4. Step 4: Simplify right side
    12,819.06x = 126,412,805.04
  5. Step 5: Solve for x
    x = 126,412,805.04/12,819.06
  6. Step 6: Final answer
    x = 9,861.32

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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.