Home / 22,143.77-33,220.39-8,103.75

Finding the Fourth Proportional to 22,143.77, 33,220.39 and 8,103.75

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Solution

The fourth proportional to 22,143.77, 33,220.39 and 8,103.75 is: 12,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.77 : 33,220.39 = 8,103.75 : x
  2. Step 2: Convert to fraction form
    22,143.77/33,220.39 = 8,103.75/x
  3. Step 3: Cross multiply
    22,143.77x = 33,220.39 × 8,103.75
  4. Step 4: Simplify right side
    22,143.77x = 269,209,735.46
  5. Step 5: Solve for x
    x = 269,209,735.46/22,143.77
  6. Step 6: Final answer
    x = 12,157.36

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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.