Home / 22,287.50-33,387.91-12,396.79

Finding the Fourth Proportional to 22,287.50, 33,387.91 and 12,396.79

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Solution

The fourth proportional to 22,287.50, 33,387.91 and 12,396.79 is: 18,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.50 : 33,387.91 = 12,396.79 : x
  2. Step 2: Convert to fraction form
    22,287.50/33,387.91 = 12,396.79/x
  3. Step 3: Cross multiply
    22,287.50x = 33,387.91 × 12,396.79
  4. Step 4: Simplify right side
    22,287.50x = 413,902,794.35
  5. Step 5: Solve for x
    x = 413,902,794.35/22,287.50
  6. Step 6: Final answer
    x = 18,571.08

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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.