Home / 22,181.08-33,261.92-8,320.36

Finding the Fourth Proportional to 22,181.08, 33,261.92 and 8,320.36

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Solution

The fourth proportional to 22,181.08, 33,261.92 and 8,320.36 is: 12,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.08 : 33,261.92 = 8,320.36 : x
  2. Step 2: Convert to fraction form
    22,181.08/33,261.92 = 8,320.36/x
  3. Step 3: Cross multiply
    22,181.08x = 33,261.92 × 8,320.36
  4. Step 4: Simplify right side
    22,181.08x = 276,751,148.69
  5. Step 5: Solve for x
    x = 276,751,148.69/22,181.08
  6. Step 6: Final answer
    x = 12,476.90

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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.