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Finding the Fourth Proportional to 22,220.52, 33,320.52 and 8,177.02

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Solution

The fourth proportional to 22,220.52, 33,320.52 and 8,177.02 is: 12,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.52 : 33,320.52 = 8,177.02 : x
  2. Step 2: Convert to fraction form
    22,220.52/33,320.52 = 8,177.02/x
  3. Step 3: Cross multiply
    22,220.52x = 33,320.52 × 8,177.02
  4. Step 4: Simplify right side
    22,220.52x = 272,462,558.45
  5. Step 5: Solve for x
    x = 272,462,558.45/22,220.52
  6. Step 6: Final answer
    x = 12,261.75

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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.