Home / 11,953.82-17,930.53-4,162.43

Finding the Fourth Proportional to 11,953.82, 17,930.53 and 4,162.43

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Solution

The fourth proportional to 11,953.82, 17,930.53 and 4,162.43 is: 6,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.82 : 17,930.53 = 4,162.43 : x
  2. Step 2: Convert to fraction form
    11,953.82/17,930.53 = 4,162.43/x
  3. Step 3: Cross multiply
    11,953.82x = 17,930.53 × 4,162.43
  4. Step 4: Simplify right side
    11,953.82x = 74,634,558.03
  5. Step 5: Solve for x
    x = 74,634,558.03/11,953.82
  6. Step 6: Final answer
    x = 6,243.57

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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.