Home / 10,822.86-16,241.76-4,249.08

Finding the Fourth Proportional to 10,822.86, 16,241.76 and 4,249.08

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Solution

The fourth proportional to 10,822.86, 16,241.76 and 4,249.08 is: 6,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.86 : 16,241.76 = 4,249.08 : x
  2. Step 2: Convert to fraction form
    10,822.86/16,241.76 = 4,249.08/x
  3. Step 3: Cross multiply
    10,822.86x = 16,241.76 × 4,249.08
  4. Step 4: Simplify right side
    10,822.86x = 69,012,537.58
  5. Step 5: Solve for x
    x = 69,012,537.58/10,822.86
  6. Step 6: Final answer
    x = 6,376.55

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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.