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Finding the Fourth Proportional to 22,044, 30,420.96 and 12,108

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Solution

The fourth proportional to 22,044, 30,420.96 and 12,108 is: 16,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044 : 30,420.96 = 12,108 : x
  2. Step 2: Convert to fraction form
    22,044/30,420.96 = 12,108/x
  3. Step 3: Cross multiply
    22,044x = 30,420.96 × 12,108
  4. Step 4: Simplify right side
    22,044x = 368,336,983.68
  5. Step 5: Solve for x
    x = 368,336,983.68/22,044
  6. Step 6: Final answer
    x = 16,709.17

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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.