Home / 22,272.30-33,408.45-9,123.30

Finding the Fourth Proportional to 22,272.30, 33,408.45 and 9,123.30

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Solution

The fourth proportional to 22,272.30, 33,408.45 and 9,123.30 is: 13,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.30 : 33,408.45 = 9,123.30 : x
  2. Step 2: Convert to fraction form
    22,272.30/33,408.45 = 9,123.30/x
  3. Step 3: Cross multiply
    22,272.30x = 33,408.45 × 9,123.30
  4. Step 4: Simplify right side
    22,272.30x = 304,795,311.89
  5. Step 5: Solve for x
    x = 304,795,311.89/22,272.30
  6. Step 6: Final answer
    x = 13,684.95

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Double scale
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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.