Home / 22,153.20-33,220.04-8,109.58

Finding the Fourth Proportional to 22,153.20, 33,220.04 and 8,109.58

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Solution

The fourth proportional to 22,153.20, 33,220.04 and 8,109.58 is: 12,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.20 : 33,220.04 = 8,109.58 : x
  2. Step 2: Convert to fraction form
    22,153.20/33,220.04 = 8,109.58/x
  3. Step 3: Cross multiply
    22,153.20x = 33,220.04 × 8,109.58
  4. Step 4: Simplify right side
    22,153.20x = 269,400,405.88
  5. Step 5: Solve for x
    x = 269,400,405.88/22,153.20
  6. Step 6: Final answer
    x = 12,160.79

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Half scale
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Similar ratio
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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.