Home / 22,143.69-33,220.09-8,996.04

Finding the Fourth Proportional to 22,143.69, 33,220.09 and 8,996.04

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Solution

The fourth proportional to 22,143.69, 33,220.09 and 8,996.04 is: 13,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.69 : 33,220.09 = 8,996.04 : x
  2. Step 2: Convert to fraction form
    22,143.69/33,220.09 = 8,996.04/x
  3. Step 3: Cross multiply
    22,143.69x = 33,220.09 × 8,996.04
  4. Step 4: Simplify right side
    22,143.69x = 298,849,258.44
  5. Step 5: Solve for x
    x = 298,849,258.44/22,143.69
  6. Step 6: Final answer
    x = 13,495.91

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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.