Home / 22,122.56-33,161.76-12,266.24

Finding the Fourth Proportional to 22,122.56, 33,161.76 and 12,266.24

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Solution

The fourth proportional to 22,122.56, 33,161.76 and 12,266.24 is: 18,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.56 : 33,161.76 = 12,266.24 : x
  2. Step 2: Convert to fraction form
    22,122.56/33,161.76 = 12,266.24/x
  3. Step 3: Cross multiply
    22,122.56x = 33,161.76 × 12,266.24
  4. Step 4: Simplify right side
    22,122.56x = 406,770,106.98
  5. Step 5: Solve for x
    x = 406,770,106.98/22,122.56
  6. Step 6: Final answer
    x = 18,387.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.