Home / 21,601.26-32,372.73-11,220.30

Finding the Fourth Proportional to 21,601.26, 32,372.73 and 11,220.30

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Solution

The fourth proportional to 21,601.26, 32,372.73 and 11,220.30 is: 16,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.26 : 32,372.73 = 11,220.30 : x
  2. Step 2: Convert to fraction form
    21,601.26/32,372.73 = 11,220.30/x
  3. Step 3: Cross multiply
    21,601.26x = 32,372.73 × 11,220.30
  4. Step 4: Simplify right side
    21,601.26x = 363,231,742.42
  5. Step 5: Solve for x
    x = 363,231,742.42/21,601.26
  6. Step 6: Final answer
    x = 16,815.30

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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.