Home / 22,292.62-30,763.68-12,221.49

Finding the Fourth Proportional to 22,292.62, 30,763.68 and 12,221.49

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Solution

The fourth proportional to 22,292.62, 30,763.68 and 12,221.49 is: 16,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.62 : 30,763.68 = 12,221.49 : x
  2. Step 2: Convert to fraction form
    22,292.62/30,763.68 = 12,221.49/x
  3. Step 3: Cross multiply
    22,292.62x = 30,763.68 × 12,221.49
  4. Step 4: Simplify right side
    22,292.62x = 375,978,007.48
  5. Step 5: Solve for x
    x = 375,978,007.48/22,292.62
  6. Step 6: Final answer
    x = 16,865.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.