Home / 12,819.48-19,229.92-4,053.74

Finding the Fourth Proportional to 12,819.48, 19,229.92 and 4,053.74

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Solution

The fourth proportional to 12,819.48, 19,229.92 and 4,053.74 is: 6,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.48 : 19,229.92 = 4,053.74 : x
  2. Step 2: Convert to fraction form
    12,819.48/19,229.92 = 4,053.74/x
  3. Step 3: Cross multiply
    12,819.48x = 19,229.92 × 4,053.74
  4. Step 4: Simplify right side
    12,819.48x = 77,953,095.90
  5. Step 5: Solve for x
    x = 77,953,095.90/12,819.48
  6. Step 6: Final answer
    x = 6,080.83

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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.