Home / 19,704.42-29,540.97-11,375.01

Finding the Fourth Proportional to 19,704.42, 29,540.97 and 11,375.01

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Solution

The fourth proportional to 19,704.42, 29,540.97 and 11,375.01 is: 17,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.42 : 29,540.97 = 11,375.01 : x
  2. Step 2: Convert to fraction form
    19,704.42/29,540.97 = 11,375.01/x
  3. Step 3: Cross multiply
    19,704.42x = 29,540.97 × 11,375.01
  4. Step 4: Simplify right side
    19,704.42x = 336,028,829.16
  5. Step 5: Solve for x
    x = 336,028,829.16/19,704.42
  6. Step 6: Final answer
    x = 17,053.47

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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.