Home / 22,118.52-33,177.69-18,214.68

Finding the Fourth Proportional to 22,118.52, 33,177.69 and 18,214.68

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Solution

The fourth proportional to 22,118.52, 33,177.69 and 18,214.68 is: 27,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.52 : 33,177.69 = 18,214.68 : x
  2. Step 2: Convert to fraction form
    22,118.52/33,177.69 = 18,214.68/x
  3. Step 3: Cross multiply
    22,118.52x = 33,177.69 × 18,214.68
  4. Step 4: Simplify right side
    22,118.52x = 604,321,006.49
  5. Step 5: Solve for x
    x = 604,321,006.49/22,118.52
  6. Step 6: Final answer
    x = 27,321.95

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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.