Home / 22,191.27-30,623.80-12,119.71

Finding the Fourth Proportional to 22,191.27, 30,623.80 and 12,119.71

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Solution

The fourth proportional to 22,191.27, 30,623.80 and 12,119.71 is: 16,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.27 : 30,623.80 = 12,119.71 : x
  2. Step 2: Convert to fraction form
    22,191.27/30,623.80 = 12,119.71/x
  3. Step 3: Cross multiply
    22,191.27x = 30,623.80 × 12,119.71
  4. Step 4: Simplify right side
    22,191.27x = 371,151,514.50
  5. Step 5: Solve for x
    x = 371,151,514.50/22,191.27
  6. Step 6: Final answer
    x = 16,725.11

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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.