Home / 22,121.09-33,181.23-5,481.16

Finding the Fourth Proportional to 22,121.09, 33,181.23 and 5,481.16

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Solution

The fourth proportional to 22,121.09, 33,181.23 and 5,481.16 is: 8,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.09 : 33,181.23 = 5,481.16 : x
  2. Step 2: Convert to fraction form
    22,121.09/33,181.23 = 5,481.16/x
  3. Step 3: Cross multiply
    22,121.09x = 33,181.23 × 5,481.16
  4. Step 4: Simplify right side
    22,121.09x = 181,871,630.63
  5. Step 5: Solve for x
    x = 181,871,630.63/22,121.09
  6. Step 6: Final answer
    x = 8,221.64

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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.