Home / 10,827.24-16,241.32-3,431.54

Finding the Fourth Proportional to 10,827.24, 16,241.32 and 3,431.54

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Solution

The fourth proportional to 10,827.24, 16,241.32 and 3,431.54 is: 5,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.24 : 16,241.32 = 3,431.54 : x
  2. Step 2: Convert to fraction form
    10,827.24/16,241.32 = 3,431.54/x
  3. Step 3: Cross multiply
    10,827.24x = 16,241.32 × 3,431.54
  4. Step 4: Simplify right side
    10,827.24x = 55,732,739.23
  5. Step 5: Solve for x
    x = 55,732,739.23/10,827.24
  6. Step 6: Final answer
    x = 5,147.46

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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.