Home / 22,254.80-33,328.20-11,843.60

Finding the Fourth Proportional to 22,254.80, 33,328.20 and 11,843.60

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Solution

The fourth proportional to 22,254.80, 33,328.20 and 11,843.60 is: 17,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.80 : 33,328.20 = 11,843.60 : x
  2. Step 2: Convert to fraction form
    22,254.80/33,328.20 = 11,843.60/x
  3. Step 3: Cross multiply
    22,254.80x = 33,328.20 × 11,843.60
  4. Step 4: Simplify right side
    22,254.80x = 394,725,869.52
  5. Step 5: Solve for x
    x = 394,725,869.52/22,254.80
  6. Step 6: Final answer
    x = 17,736.66

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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.