Home / 21,922.82-32,902.60-11,399.30

Finding the Fourth Proportional to 21,922.82, 32,902.60 and 11,399.30

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Solution

The fourth proportional to 21,922.82, 32,902.60 and 11,399.30 is: 17,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.82 : 32,902.60 = 11,399.30 : x
  2. Step 2: Convert to fraction form
    21,922.82/32,902.60 = 11,399.30/x
  3. Step 3: Cross multiply
    21,922.82x = 32,902.60 × 11,399.30
  4. Step 4: Simplify right side
    21,922.82x = 375,066,608.18
  5. Step 5: Solve for x
    x = 375,066,608.18/21,922.82
  6. Step 6: Final answer
    x = 17,108.50

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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.