Home / 12,906.87-19,348.84-4,585.79

Finding the Fourth Proportional to 12,906.87, 19,348.84 and 4,585.79

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Solution

The fourth proportional to 12,906.87, 19,348.84 and 4,585.79 is: 6,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.87 : 19,348.84 = 4,585.79 : x
  2. Step 2: Convert to fraction form
    12,906.87/19,348.84 = 4,585.79/x
  3. Step 3: Cross multiply
    12,906.87x = 19,348.84 × 4,585.79
  4. Step 4: Simplify right side
    12,906.87x = 88,729,716.98
  5. Step 5: Solve for x
    x = 88,729,716.98/12,906.87
  6. Step 6: Final answer
    x = 6,874.61

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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.