Home / 11,353.20-17,008.68-6,163.44

Finding the Fourth Proportional to 11,353.20, 17,008.68 and 6,163.44

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Solution

The fourth proportional to 11,353.20, 17,008.68 and 6,163.44 is: 9,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.20 : 17,008.68 = 6,163.44 : x
  2. Step 2: Convert to fraction form
    11,353.20/17,008.68 = 6,163.44/x
  3. Step 3: Cross multiply
    11,353.20x = 17,008.68 × 6,163.44
  4. Step 4: Simplify right side
    11,353.20x = 104,831,978.66
  5. Step 5: Solve for x
    x = 104,831,978.66/11,353.20
  6. Step 6: Final answer
    x = 9,233.69

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1.5x scale

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.