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Finding the Fourth Proportional to 22,104.78, 30,503.64 and 12,033.24

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Solution

The fourth proportional to 22,104.78, 30,503.64 and 12,033.24 is: 16,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.78 : 30,503.64 = 12,033.24 : x
  2. Step 2: Convert to fraction form
    22,104.78/30,503.64 = 12,033.24/x
  3. Step 3: Cross multiply
    22,104.78x = 30,503.64 × 12,033.24
  4. Step 4: Simplify right side
    22,104.78x = 367,057,620.99
  5. Step 5: Solve for x
    x = 367,057,620.99/22,104.78
  6. Step 6: Final answer
    x = 16,605.35

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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.