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Finding the Fourth Proportional to 22,518.73, 33,734.35 and 10,840.15

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Solution

The fourth proportional to 22,518.73, 33,734.35 and 10,840.15 is: 16,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.73 : 33,734.35 = 10,840.15 : x
  2. Step 2: Convert to fraction form
    22,518.73/33,734.35 = 10,840.15/x
  3. Step 3: Cross multiply
    22,518.73x = 33,734.35 × 10,840.15
  4. Step 4: Simplify right side
    22,518.73x = 365,685,414.15
  5. Step 5: Solve for x
    x = 365,685,414.15/22,518.73
  6. Step 6: Final answer
    x = 16,239.17

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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.