Home / 16,854.63-25,286.84-5,169.57

Finding the Fourth Proportional to 16,854.63, 25,286.84 and 5,169.57

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Solution

The fourth proportional to 16,854.63, 25,286.84 and 5,169.57 is: 7,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.63 : 25,286.84 = 5,169.57 : x
  2. Step 2: Convert to fraction form
    16,854.63/25,286.84 = 5,169.57/x
  3. Step 3: Cross multiply
    16,854.63x = 25,286.84 × 5,169.57
  4. Step 4: Simplify right side
    16,854.63x = 130,722,063.61
  5. Step 5: Solve for x
    x = 130,722,063.61/16,854.63
  6. Step 6: Final answer
    x = 7,755.85

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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.