Home / 22,267.72-30,729.78-12,197.09

Finding the Fourth Proportional to 22,267.72, 30,729.78 and 12,197.09

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Solution

The fourth proportional to 22,267.72, 30,729.78 and 12,197.09 is: 16,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.72 : 30,729.78 = 12,197.09 : x
  2. Step 2: Convert to fraction form
    22,267.72/30,729.78 = 12,197.09/x
  3. Step 3: Cross multiply
    22,267.72x = 30,729.78 × 12,197.09
  4. Step 4: Simplify right side
    22,267.72x = 374,813,738.69
  5. Step 5: Solve for x
    x = 374,813,738.69/22,267.72
  6. Step 6: Final answer
    x = 16,832.16

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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.