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Finding the Fourth Proportional to 22,035, 30,408.30 and 12,099

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Solution

The fourth proportional to 22,035, 30,408.30 and 12,099 is: 16,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035 : 30,408.30 = 12,099 : x
  2. Step 2: Convert to fraction form
    22,035/30,408.30 = 12,099/x
  3. Step 3: Cross multiply
    22,035x = 30,408.30 × 12,099
  4. Step 4: Simplify right side
    22,035x = 367,910,021.70
  5. Step 5: Solve for x
    x = 367,910,021.70/22,035
  6. Step 6: Final answer
    x = 16,696.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.