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Finding the Fourth Proportional to 22,458.62, 33,695.22 and 10,772.75

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Solution

The fourth proportional to 22,458.62, 33,695.22 and 10,772.75 is: 16,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.62 : 33,695.22 = 10,772.75 : x
  2. Step 2: Convert to fraction form
    22,458.62/33,695.22 = 10,772.75/x
  3. Step 3: Cross multiply
    22,458.62x = 33,695.22 × 10,772.75
  4. Step 4: Simplify right side
    22,458.62x = 362,990,181.26
  5. Step 5: Solve for x
    x = 362,990,181.26/22,458.62
  6. Step 6: Final answer
    x = 16,162.62

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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.