Home / 12,545.06-18,819.41-6,698.48

Finding the Fourth Proportional to 12,545.06, 18,819.41 and 6,698.48

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Solution

The fourth proportional to 12,545.06, 18,819.41 and 6,698.48 is: 10,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.06 : 18,819.41 = 6,698.48 : x
  2. Step 2: Convert to fraction form
    12,545.06/18,819.41 = 6,698.48/x
  3. Step 3: Cross multiply
    12,545.06x = 18,819.41 × 6,698.48
  4. Step 4: Simplify right side
    12,545.06x = 126,061,313.91
  5. Step 5: Solve for x
    x = 126,061,313.91/12,545.06
  6. Step 6: Final answer
    x = 10,048.69

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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.