Home / 22,286.38-30,756.57-12,854.94

Finding the Fourth Proportional to 22,286.38, 30,756.57 and 12,854.94

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Solution

The fourth proportional to 22,286.38, 30,756.57 and 12,854.94 is: 17,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.38 : 30,756.57 = 12,854.94 : x
  2. Step 2: Convert to fraction form
    22,286.38/30,756.57 = 12,854.94/x
  3. Step 3: Cross multiply
    22,286.38x = 30,756.57 × 12,854.94
  4. Step 4: Simplify right side
    22,286.38x = 395,373,797.68
  5. Step 5: Solve for x
    x = 395,373,797.68/22,286.38
  6. Step 6: Final answer
    x = 17,740.61

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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.