Home / 22,111.80-33,167.70-8,266.20

Finding the Fourth Proportional to 22,111.80, 33,167.70 and 8,266.20

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Solution

The fourth proportional to 22,111.80, 33,167.70 and 8,266.20 is: 12,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.80 : 33,167.70 = 8,266.20 : x
  2. Step 2: Convert to fraction form
    22,111.80/33,167.70 = 8,266.20/x
  3. Step 3: Cross multiply
    22,111.80x = 33,167.70 × 8,266.20
  4. Step 4: Simplify right side
    22,111.80x = 274,170,841.74
  5. Step 5: Solve for x
    x = 274,170,841.74/22,111.80
  6. Step 6: Final answer
    x = 12,399.30

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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.