Home / 12,545.51-18,819.14-4,754.25

Finding the Fourth Proportional to 12,545.51, 18,819.14 and 4,754.25

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Solution

The fourth proportional to 12,545.51, 18,819.14 and 4,754.25 is: 7,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.51 : 18,819.14 = 4,754.25 : x
  2. Step 2: Convert to fraction form
    12,545.51/18,819.14 = 4,754.25/x
  3. Step 3: Cross multiply
    12,545.51x = 18,819.14 × 4,754.25
  4. Step 4: Simplify right side
    12,545.51x = 89,470,872.57
  5. Step 5: Solve for x
    x = 89,470,872.57/12,545.51
  6. Step 6: Final answer
    x = 7,131.71

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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.