Home / 12,488.96-17,226.20-8,508.48

Finding the Fourth Proportional to 12,488.96, 17,226.20 and 8,508.48

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Solution

The fourth proportional to 12,488.96, 17,226.20 and 8,508.48 is: 11,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.96 : 17,226.20 = 8,508.48 : x
  2. Step 2: Convert to fraction form
    12,488.96/17,226.20 = 8,508.48/x
  3. Step 3: Cross multiply
    12,488.96x = 17,226.20 × 8,508.48
  4. Step 4: Simplify right side
    12,488.96x = 146,568,778.18
  5. Step 5: Solve for x
    x = 146,568,778.18/12,488.96
  6. Step 6: Final answer
    x = 11,735.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.