Home / 12,550.29-18,819.37-7,286.62

Finding the Fourth Proportional to 12,550.29, 18,819.37 and 7,286.62

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Solution

The fourth proportional to 12,550.29, 18,819.37 and 7,286.62 is: 10,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.29 : 18,819.37 = 7,286.62 : x
  2. Step 2: Convert to fraction form
    12,550.29/18,819.37 = 7,286.62/x
  3. Step 3: Cross multiply
    12,550.29x = 18,819.37 × 7,286.62
  4. Step 4: Simplify right side
    12,550.29x = 137,129,686.62
  5. Step 5: Solve for x
    x = 137,129,686.62/12,550.29
  6. Step 6: Final answer
    x = 10,926.42

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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.