Home / 12,217.45-16,850.85-8,446.92

Finding the Fourth Proportional to 12,217.45, 16,850.85 and 8,446.92

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Solution

The fourth proportional to 12,217.45, 16,850.85 and 8,446.92 is: 11,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.45 : 16,850.85 = 8,446.92 : x
  2. Step 2: Convert to fraction form
    12,217.45/16,850.85 = 8,446.92/x
  3. Step 3: Cross multiply
    12,217.45x = 16,850.85 × 8,446.92
  4. Step 4: Simplify right side
    12,217.45x = 142,337,781.88
  5. Step 5: Solve for x
    x = 142,337,781.88/12,217.45
  6. Step 6: Final answer
    x = 11,650.37

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Half scale
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Double scale
Find fourth proportional to 12,218.45, 16,852.23 and 8,447.92
Similar ratio
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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.