Home / 11,163.45-15,405.63-6,127.89

Finding the Fourth Proportional to 11,163.45, 15,405.63 and 6,127.89

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Solution

The fourth proportional to 11,163.45, 15,405.63 and 6,127.89 is: 8,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.45 : 15,405.63 = 6,127.89 : x
  2. Step 2: Convert to fraction form
    11,163.45/15,405.63 = 6,127.89/x
  3. Step 3: Cross multiply
    11,163.45x = 15,405.63 × 6,127.89
  4. Step 4: Simplify right side
    11,163.45x = 94,404,006.02
  5. Step 5: Solve for x
    x = 94,404,006.02/11,163.45
  6. Step 6: Final answer
    x = 8,456.53

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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.