Home / 22,259.44-30,716.85-12,185.95

Finding the Fourth Proportional to 22,259.44, 30,716.85 and 12,185.95

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Solution

The fourth proportional to 22,259.44, 30,716.85 and 12,185.95 is: 16,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.44 : 30,716.85 = 12,185.95 : x
  2. Step 2: Convert to fraction form
    22,259.44/30,716.85 = 12,185.95/x
  3. Step 3: Cross multiply
    22,259.44x = 30,716.85 × 12,185.95
  4. Step 4: Simplify right side
    22,259.44x = 374,313,998.26
  5. Step 5: Solve for x
    x = 374,313,998.26/22,259.44
  6. Step 6: Final answer
    x = 16,815.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.