Home / 11,163.48-15,405.39-6,127.53

Finding the Fourth Proportional to 11,163.48, 15,405.39 and 6,127.53

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Solution

The fourth proportional to 11,163.48, 15,405.39 and 6,127.53 is: 8,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.48 : 15,405.39 = 6,127.53 : x
  2. Step 2: Convert to fraction form
    11,163.48/15,405.39 = 6,127.53/x
  3. Step 3: Cross multiply
    11,163.48x = 15,405.39 × 6,127.53
  4. Step 4: Simplify right side
    11,163.48x = 94,396,989.39
  5. Step 5: Solve for x
    x = 94,396,989.39/11,163.48
  6. Step 6: Final answer
    x = 8,455.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.