Home / 22,138.11-33,197.39-6,339.55

Finding the Fourth Proportional to 22,138.11, 33,197.39 and 6,339.55

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Solution

The fourth proportional to 22,138.11, 33,197.39 and 6,339.55 is: 9,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.11 : 33,197.39 = 6,339.55 : x
  2. Step 2: Convert to fraction form
    22,138.11/33,197.39 = 6,339.55/x
  3. Step 3: Cross multiply
    22,138.11x = 33,197.39 × 6,339.55
  4. Step 4: Simplify right side
    22,138.11x = 210,456,660.81
  5. Step 5: Solve for x
    x = 210,456,660.81/22,138.11
  6. Step 6: Final answer
    x = 9,506.53

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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.