Home / 16,896.89-25,348.22-5,209.85

Finding the Fourth Proportional to 16,896.89, 25,348.22 and 5,209.85

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Solution

The fourth proportional to 16,896.89, 25,348.22 and 5,209.85 is: 7,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.89 : 25,348.22 = 5,209.85 : x
  2. Step 2: Convert to fraction form
    16,896.89/25,348.22 = 5,209.85/x
  3. Step 3: Cross multiply
    16,896.89x = 25,348.22 × 5,209.85
  4. Step 4: Simplify right side
    16,896.89x = 132,060,397.92
  5. Step 5: Solve for x
    x = 132,060,397.92/16,896.89
  6. Step 6: Final answer
    x = 7,815.66

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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.