Home / 22,137.72-33,177.42-12,271.92

Finding the Fourth Proportional to 22,137.72, 33,177.42 and 12,271.92

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Solution

The fourth proportional to 22,137.72, 33,177.42 and 12,271.92 is: 18,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.72 : 33,177.42 = 12,271.92 : x
  2. Step 2: Convert to fraction form
    22,137.72/33,177.42 = 12,271.92/x
  3. Step 3: Cross multiply
    22,137.72x = 33,177.42 × 12,271.92
  4. Step 4: Simplify right side
    22,137.72x = 407,150,644.05
  5. Step 5: Solve for x
    x = 407,150,644.05/22,137.72
  6. Step 6: Final answer
    x = 18,391.72

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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.