Home / 21,372.66-29,494.35-11,941.38

Finding the Fourth Proportional to 21,372.66, 29,494.35 and 11,941.38

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Solution

The fourth proportional to 21,372.66, 29,494.35 and 11,941.38 is: 16,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.66 : 29,494.35 = 11,941.38 : x
  2. Step 2: Convert to fraction form
    21,372.66/29,494.35 = 11,941.38/x
  3. Step 3: Cross multiply
    21,372.66x = 29,494.35 × 11,941.38
  4. Step 4: Simplify right side
    21,372.66x = 352,203,241.20
  5. Step 5: Solve for x
    x = 352,203,241.20/21,372.66
  6. Step 6: Final answer
    x = 16,479.15

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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.