Home / 12,493.26-18,735.75-4,170.96

Finding the Fourth Proportional to 12,493.26, 18,735.75 and 4,170.96

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Solution

The fourth proportional to 12,493.26, 18,735.75 and 4,170.96 is: 6,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.26 : 18,735.75 = 4,170.96 : x
  2. Step 2: Convert to fraction form
    12,493.26/18,735.75 = 4,170.96/x
  3. Step 3: Cross multiply
    12,493.26x = 18,735.75 × 4,170.96
  4. Step 4: Simplify right side
    12,493.26x = 78,146,063.82
  5. Step 5: Solve for x
    x = 78,146,063.82/12,493.26
  6. Step 6: Final answer
    x = 6,255.06

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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.