Home / 22,311.75-33,480.60-9,999.75

Finding the Fourth Proportional to 22,311.75, 33,480.60 and 9,999.75

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Solution

The fourth proportional to 22,311.75, 33,480.60 and 9,999.75 is: 15,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.75 : 33,480.60 = 9,999.75 : x
  2. Step 2: Convert to fraction form
    22,311.75/33,480.60 = 9,999.75/x
  3. Step 3: Cross multiply
    22,311.75x = 33,480.60 × 9,999.75
  4. Step 4: Simplify right side
    22,311.75x = 334,797,629.85
  5. Step 5: Solve for x
    x = 334,797,629.85/22,311.75
  6. Step 6: Final answer
    x = 15,005.44

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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.