Home / 10,989.26-15,163.97-6,272.63

Finding the Fourth Proportional to 10,989.26, 15,163.97 and 6,272.63

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Solution

The fourth proportional to 10,989.26, 15,163.97 and 6,272.63 is: 8,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.26 : 15,163.97 = 6,272.63 : x
  2. Step 2: Convert to fraction form
    10,989.26/15,163.97 = 6,272.63/x
  3. Step 3: Cross multiply
    10,989.26x = 15,163.97 × 6,272.63
  4. Step 4: Simplify right side
    10,989.26x = 95,117,973.14
  5. Step 5: Solve for x
    x = 95,117,973.14/10,989.26
  6. Step 6: Final answer
    x = 8,655.54

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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.