Home / 10,936.40-16,389.23-6,249.39

Finding the Fourth Proportional to 10,936.40, 16,389.23 and 6,249.39

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Solution

The fourth proportional to 10,936.40, 16,389.23 and 6,249.39 is: 9,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.40 : 16,389.23 = 6,249.39 : x
  2. Step 2: Convert to fraction form
    10,936.40/16,389.23 = 6,249.39/x
  3. Step 3: Cross multiply
    10,936.40x = 16,389.23 × 6,249.39
  4. Step 4: Simplify right side
    10,936.40x = 102,422,697.26
  5. Step 5: Solve for x
    x = 102,422,697.26/10,936.40
  6. Step 6: Final answer
    x = 9,365.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.