Home / 22,161.54-33,223.60-9,672.39

Finding the Fourth Proportional to 22,161.54, 33,223.60 and 9,672.39

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Solution

The fourth proportional to 22,161.54, 33,223.60 and 9,672.39 is: 14,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.54 : 33,223.60 = 9,672.39 : x
  2. Step 2: Convert to fraction form
    22,161.54/33,223.60 = 9,672.39/x
  3. Step 3: Cross multiply
    22,161.54x = 33,223.60 × 9,672.39
  4. Step 4: Simplify right side
    22,161.54x = 321,351,616.40
  5. Step 5: Solve for x
    x = 321,351,616.40/22,161.54
  6. Step 6: Final answer
    x = 14,500.42

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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.