Home / 22,290.80-33,436.19-9,149.36

Finding the Fourth Proportional to 22,290.80, 33,436.19 and 9,149.36

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Solution

The fourth proportional to 22,290.80, 33,436.19 and 9,149.36 is: 13,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.80 : 33,436.19 = 9,149.36 : x
  2. Step 2: Convert to fraction form
    22,290.80/33,436.19 = 9,149.36/x
  3. Step 3: Cross multiply
    22,290.80x = 33,436.19 × 9,149.36
  4. Step 4: Simplify right side
    22,290.80x = 305,919,595.03
  5. Step 5: Solve for x
    x = 305,919,595.03/22,290.80
  6. Step 6: Final answer
    x = 13,724.03

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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.