Home / 21,504.82-29,691.26-13,441.62

Finding the Fourth Proportional to 21,504.82, 29,691.26 and 13,441.62

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Solution

The fourth proportional to 21,504.82, 29,691.26 and 13,441.62 is: 18,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.82 : 29,691.26 = 13,441.62 : x
  2. Step 2: Convert to fraction form
    21,504.82/29,691.26 = 13,441.62/x
  3. Step 3: Cross multiply
    21,504.82x = 29,691.26 × 13,441.62
  4. Step 4: Simplify right side
    21,504.82x = 399,098,645.27
  5. Step 5: Solve for x
    x = 399,098,645.27/21,504.82
  6. Step 6: Final answer
    x = 18,558.57

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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.