Home / 22,128.43-33,197.51-12,282.07

Finding the Fourth Proportional to 22,128.43, 33,197.51 and 12,282.07

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Solution

The fourth proportional to 22,128.43, 33,197.51 and 12,282.07 is: 18,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.43 : 33,197.51 = 12,282.07 : x
  2. Step 2: Convert to fraction form
    22,128.43/33,197.51 = 12,282.07/x
  3. Step 3: Cross multiply
    22,128.43x = 33,197.51 × 12,282.07
  4. Step 4: Simplify right side
    22,128.43x = 407,734,141.65
  5. Step 5: Solve for x
    x = 407,734,141.65/22,128.43
  6. Step 6: Final answer
    x = 18,425.81

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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.