Home / 22,320.70-33,481.05-9,166.30

Finding the Fourth Proportional to 22,320.70, 33,481.05 and 9,166.30

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Solution

The fourth proportional to 22,320.70, 33,481.05 and 9,166.30 is: 13,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.70 : 33,481.05 = 9,166.30 : x
  2. Step 2: Convert to fraction form
    22,320.70/33,481.05 = 9,166.30/x
  3. Step 3: Cross multiply
    22,320.70x = 33,481.05 × 9,166.30
  4. Step 4: Simplify right side
    22,320.70x = 306,897,348.62
  5. Step 5: Solve for x
    x = 306,897,348.62/22,320.70
  6. Step 6: Final answer
    x = 13,749.45

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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.