Home / 22,269.80-30,731.23-12,198.30

Finding the Fourth Proportional to 22,269.80, 30,731.23 and 12,198.30

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Solution

The fourth proportional to 22,269.80, 30,731.23 and 12,198.30 is: 16,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.80 : 30,731.23 = 12,198.30 : x
  2. Step 2: Convert to fraction form
    22,269.80/30,731.23 = 12,198.30/x
  3. Step 3: Cross multiply
    22,269.80x = 30,731.23 × 12,198.30
  4. Step 4: Simplify right side
    22,269.80x = 374,868,662.91
  5. Step 5: Solve for x
    x = 374,868,662.91/22,269.80
  6. Step 6: Final answer
    x = 16,833.05

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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.