Home / 12,229.92-16,884.45-8,869.50

Finding the Fourth Proportional to 12,229.92, 16,884.45 and 8,869.50

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Solution

The fourth proportional to 12,229.92, 16,884.45 and 8,869.50 is: 12,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.92 : 16,884.45 = 8,869.50 : x
  2. Step 2: Convert to fraction form
    12,229.92/16,884.45 = 8,869.50/x
  3. Step 3: Cross multiply
    12,229.92x = 16,884.45 × 8,869.50
  4. Step 4: Simplify right side
    12,229.92x = 149,756,629.28
  5. Step 5: Solve for x
    x = 149,756,629.28/12,229.92
  6. Step 6: Final answer
    x = 12,245.10

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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.