Home / 16,680.26-25,020.37-7,910.39

Finding the Fourth Proportional to 16,680.26, 25,020.37 and 7,910.39

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Solution

The fourth proportional to 16,680.26, 25,020.37 and 7,910.39 is: 11,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.26 : 25,020.37 = 7,910.39 : x
  2. Step 2: Convert to fraction form
    16,680.26/25,020.37 = 7,910.39/x
  3. Step 3: Cross multiply
    16,680.26x = 25,020.37 × 7,910.39
  4. Step 4: Simplify right side
    16,680.26x = 197,920,884.64
  5. Step 5: Solve for x
    x = 197,920,884.64/16,680.26
  6. Step 6: Final answer
    x = 11,865.58

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Similar ratio
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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.