Home / 22,256.80-33,331.20-11,845.60

Finding the Fourth Proportional to 22,256.80, 33,331.20 and 11,845.60

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Solution

The fourth proportional to 22,256.80, 33,331.20 and 11,845.60 is: 17,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.80 : 33,331.20 = 11,845.60 : x
  2. Step 2: Convert to fraction form
    22,256.80/33,331.20 = 11,845.60/x
  3. Step 3: Cross multiply
    22,256.80x = 33,331.20 × 11,845.60
  4. Step 4: Simplify right side
    22,256.80x = 394,828,062.72
  5. Step 5: Solve for x
    x = 394,828,062.72/22,256.80
  6. Step 6: Final answer
    x = 17,739.66

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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.