Home / 11,310.85-16,941.57-5,455.16

Finding the Fourth Proportional to 11,310.85, 16,941.57 and 5,455.16

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Solution

The fourth proportional to 11,310.85, 16,941.57 and 5,455.16 is: 8,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.85 : 16,941.57 = 5,455.16 : x
  2. Step 2: Convert to fraction form
    11,310.85/16,941.57 = 5,455.16/x
  3. Step 3: Cross multiply
    11,310.85x = 16,941.57 × 5,455.16
  4. Step 4: Simplify right side
    11,310.85x = 92,418,975.00
  5. Step 5: Solve for x
    x = 92,418,975.00/11,310.85
  6. Step 6: Final answer
    x = 8,170.82

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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.