Home / 22,272.39-33,365.52-12,381.69

Finding the Fourth Proportional to 22,272.39, 33,365.52 and 12,381.69

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Solution

The fourth proportional to 22,272.39, 33,365.52 and 12,381.69 is: 18,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.39 : 33,365.52 = 12,381.69 : x
  2. Step 2: Convert to fraction form
    22,272.39/33,365.52 = 12,381.69/x
  3. Step 3: Cross multiply
    22,272.39x = 33,365.52 × 12,381.69
  4. Step 4: Simplify right side
    22,272.39x = 413,121,525.33
  5. Step 5: Solve for x
    x = 413,121,525.33/22,272.39
  6. Step 6: Final answer
    x = 18,548.59

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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.