Home / 22,269.30-30,731.62-12,197.65

Finding the Fourth Proportional to 22,269.30, 30,731.62 and 12,197.65

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Solution

The fourth proportional to 22,269.30, 30,731.62 and 12,197.65 is: 16,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.30 : 30,731.62 = 12,197.65 : x
  2. Step 2: Convert to fraction form
    22,269.30/30,731.62 = 12,197.65/x
  3. Step 3: Cross multiply
    22,269.30x = 30,731.62 × 12,197.65
  4. Step 4: Simplify right side
    22,269.30x = 374,853,586.81
  5. Step 5: Solve for x
    x = 374,853,586.81/22,269.30
  6. Step 6: Final answer
    x = 16,832.75

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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.