Home / 9,438.98-14,163.93-3,891.29

Finding the Fourth Proportional to 9,438.98, 14,163.93 and 3,891.29

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Solution

The fourth proportional to 9,438.98, 14,163.93 and 3,891.29 is: 5,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.98 : 14,163.93 = 3,891.29 : x
  2. Step 2: Convert to fraction form
    9,438.98/14,163.93 = 3,891.29/x
  3. Step 3: Cross multiply
    9,438.98x = 14,163.93 × 3,891.29
  4. Step 4: Simplify right side
    9,438.98x = 55,115,959.17
  5. Step 5: Solve for x
    x = 55,115,959.17/9,438.98
  6. Step 6: Final answer
    x = 5,839.19

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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.