Home / 11,895.12-17,849.97-9,438.39

Finding the Fourth Proportional to 11,895.12, 17,849.97 and 9,438.39

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Solution

The fourth proportional to 11,895.12, 17,849.97 and 9,438.39 is: 14,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.12 : 17,849.97 = 9,438.39 : x
  2. Step 2: Convert to fraction form
    11,895.12/17,849.97 = 9,438.39/x
  3. Step 3: Cross multiply
    11,895.12x = 17,849.97 × 9,438.39
  4. Step 4: Simplify right side
    11,895.12x = 168,474,978.35
  5. Step 5: Solve for x
    x = 168,474,978.35/11,895.12
  6. Step 6: Final answer
    x = 14,163.37

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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.