Home / 22,146.74-33,220.28-8,107.21

Finding the Fourth Proportional to 22,146.74, 33,220.28 and 8,107.21

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Solution

The fourth proportional to 22,146.74, 33,220.28 and 8,107.21 is: 12,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.74 : 33,220.28 = 8,107.21 : x
  2. Step 2: Convert to fraction form
    22,146.74/33,220.28 = 8,107.21/x
  3. Step 3: Cross multiply
    22,146.74x = 33,220.28 × 8,107.21
  4. Step 4: Simplify right side
    22,146.74x = 269,323,786.22
  5. Step 5: Solve for x
    x = 269,323,786.22/22,146.74
  6. Step 6: Final answer
    x = 12,160.88

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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.