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Finding the Fourth Proportional to 22,806.84, 34,211.22 and 7,224.12

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Solution

The fourth proportional to 22,806.84, 34,211.22 and 7,224.12 is: 10,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,806.84 : 34,211.22 = 7,224.12 : x
  2. Step 2: Convert to fraction form
    22,806.84/34,211.22 = 7,224.12/x
  3. Step 3: Cross multiply
    22,806.84x = 34,211.22 × 7,224.12
  4. Step 4: Simplify right side
    22,806.84x = 247,145,958.63
  5. Step 5: Solve for x
    x = 247,145,958.63/22,806.84
  6. Step 6: Final answer
    x = 10,836.48

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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.