Home / 21,910.12-32,868.38-11,522.60

Finding the Fourth Proportional to 21,910.12, 32,868.38 and 11,522.60

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Solution

The fourth proportional to 21,910.12, 32,868.38 and 11,522.60 is: 17,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.12 : 32,868.38 = 11,522.60 : x
  2. Step 2: Convert to fraction form
    21,910.12/32,868.38 = 11,522.60/x
  3. Step 3: Cross multiply
    21,910.12x = 32,868.38 × 11,522.60
  4. Step 4: Simplify right side
    21,910.12x = 378,729,195.39
  5. Step 5: Solve for x
    x = 378,729,195.39/21,910.12
  6. Step 6: Final answer
    x = 17,285.58

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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.