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Finding the Fourth Proportional to 22,166.49, 33,254.74 and 7,375.99

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Solution

The fourth proportional to 22,166.49, 33,254.74 and 7,375.99 is: 11,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.49 : 33,254.74 = 7,375.99 : x
  2. Step 2: Convert to fraction form
    22,166.49/33,254.74 = 7,375.99/x
  3. Step 3: Cross multiply
    22,166.49x = 33,254.74 × 7,375.99
  4. Step 4: Simplify right side
    22,166.49x = 245,286,638.87
  5. Step 5: Solve for x
    x = 245,286,638.87/22,166.49
  6. Step 6: Final answer
    x = 11,065.65

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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.