Home / 21,157.44-29,194.24-11,726

Finding the Fourth Proportional to 21,157.44, 29,194.24 and 11,726

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Solution

The fourth proportional to 21,157.44, 29,194.24 and 11,726 is: 16,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,157.44 : 29,194.24 = 11,726 : x
  2. Step 2: Convert to fraction form
    21,157.44/29,194.24 = 11,726/x
  3. Step 3: Cross multiply
    21,157.44x = 29,194.24 × 11,726
  4. Step 4: Simplify right side
    21,157.44x = 342,331,658.24
  5. Step 5: Solve for x
    x = 342,331,658.24/21,157.44
  6. Step 6: Final answer
    x = 16,180.20

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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.