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Finding the Fourth Proportional to 22,799.49, 34,198.94 and 7,217.12

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Solution

The fourth proportional to 22,799.49, 34,198.94 and 7,217.12 is: 10,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,799.49 : 34,198.94 = 7,217.12 : x
  2. Step 2: Convert to fraction form
    22,799.49/34,198.94 = 7,217.12/x
  3. Step 3: Cross multiply
    22,799.49x = 34,198.94 × 7,217.12
  4. Step 4: Simplify right side
    22,799.49x = 246,817,646.77
  5. Step 5: Solve for x
    x = 246,817,646.77/22,799.49
  6. Step 6: Final answer
    x = 10,825.58

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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.