Home / 22,033.35-30,406.26-11,961.90

Finding the Fourth Proportional to 22,033.35, 30,406.26 and 11,961.90

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Solution

The fourth proportional to 22,033.35, 30,406.26 and 11,961.90 is: 16,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.35 : 30,406.26 = 11,961.90 : x
  2. Step 2: Convert to fraction form
    22,033.35/30,406.26 = 11,961.90/x
  3. Step 3: Cross multiply
    22,033.35x = 30,406.26 × 11,961.90
  4. Step 4: Simplify right side
    22,033.35x = 363,716,641.49
  5. Step 5: Solve for x
    x = 363,716,641.49/22,033.35
  6. Step 6: Final answer
    x = 16,507.55

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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.