Home / 22,105.36-30,505.08-12,169.36

Finding the Fourth Proportional to 22,105.36, 30,505.08 and 12,169.36

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Solution

The fourth proportional to 22,105.36, 30,505.08 and 12,169.36 is: 16,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.36 : 30,505.08 = 12,169.36 : x
  2. Step 2: Convert to fraction form
    22,105.36/30,505.08 = 12,169.36/x
  3. Step 3: Cross multiply
    22,105.36x = 30,505.08 × 12,169.36
  4. Step 4: Simplify right side
    22,105.36x = 371,227,300.35
  5. Step 5: Solve for x
    x = 371,227,300.35/22,105.36
  6. Step 6: Final answer
    x = 16,793.54

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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.