Home / 10,827.09-16,241.21-3,430.98

Finding the Fourth Proportional to 10,827.09, 16,241.21 and 3,430.98

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Solution

The fourth proportional to 10,827.09, 16,241.21 and 3,430.98 is: 5,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.09 : 16,241.21 = 3,430.98 : x
  2. Step 2: Convert to fraction form
    10,827.09/16,241.21 = 3,430.98/x
  3. Step 3: Cross multiply
    10,827.09x = 16,241.21 × 3,430.98
  4. Step 4: Simplify right side
    10,827.09x = 55,723,249.53
  5. Step 5: Solve for x
    x = 55,723,249.53/10,827.09
  6. Step 6: Final answer
    x = 5,146.65

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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.