Home / 19,255.92-28,863.96-8,169.36

Finding the Fourth Proportional to 19,255.92, 28,863.96 and 8,169.36

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Solution

The fourth proportional to 19,255.92, 28,863.96 and 8,169.36 is: 12,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.92 : 28,863.96 = 8,169.36 : x
  2. Step 2: Convert to fraction form
    19,255.92/28,863.96 = 8,169.36/x
  3. Step 3: Cross multiply
    19,255.92x = 28,863.96 × 8,169.36
  4. Step 4: Simplify right side
    19,255.92x = 235,800,080.27
  5. Step 5: Solve for x
    x = 235,800,080.27/19,255.92
  6. Step 6: Final answer
    x = 12,245.59

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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.