Home / 17,120.96-25,661.64-7,245.44

Finding the Fourth Proportional to 17,120.96, 25,661.64 and 7,245.44

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Solution

The fourth proportional to 17,120.96, 25,661.64 and 7,245.44 is: 10,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.96 : 25,661.64 = 7,245.44 : x
  2. Step 2: Convert to fraction form
    17,120.96/25,661.64 = 7,245.44/x
  3. Step 3: Cross multiply
    17,120.96x = 25,661.64 × 7,245.44
  4. Step 4: Simplify right side
    17,120.96x = 185,929,872.92
  5. Step 5: Solve for x
    x = 185,929,872.92/17,120.96
  6. Step 6: Final answer
    x = 10,859.78

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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.