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Finding the Fourth Proportional to 22,664.58, 33,996.86 and 7,082.21

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Solution

The fourth proportional to 22,664.58, 33,996.86 and 7,082.21 is: 10,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.58 : 33,996.86 = 7,082.21 : x
  2. Step 2: Convert to fraction form
    22,664.58/33,996.86 = 7,082.21/x
  3. Step 3: Cross multiply
    22,664.58x = 33,996.86 × 7,082.21
  4. Step 4: Simplify right side
    22,664.58x = 240,772,778.80
  5. Step 5: Solve for x
    x = 240,772,778.80/22,664.58
  6. Step 6: Final answer
    x = 10,623.31

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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.