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Finding the Fourth Proportional to 22,190.88, 33,279 and 7,395.72

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Solution

The fourth proportional to 22,190.88, 33,279 and 7,395.72 is: 11,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.88 : 33,279 = 7,395.72 : x
  2. Step 2: Convert to fraction form
    22,190.88/33,279 = 7,395.72/x
  3. Step 3: Cross multiply
    22,190.88x = 33,279 × 7,395.72
  4. Step 4: Simplify right side
    22,190.88x = 246,122,165.88
  5. Step 5: Solve for x
    x = 246,122,165.88/22,190.88
  6. Step 6: Final answer
    x = 11,091.14

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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.