Home / 11,311.85-16,963.71-3,914.30

Finding the Fourth Proportional to 11,311.85, 16,963.71 and 3,914.30

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Solution

The fourth proportional to 11,311.85, 16,963.71 and 3,914.30 is: 5,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.85 : 16,963.71 = 3,914.30 : x
  2. Step 2: Convert to fraction form
    11,311.85/16,963.71 = 3,914.30/x
  3. Step 3: Cross multiply
    11,311.85x = 16,963.71 × 3,914.30
  4. Step 4: Simplify right side
    11,311.85x = 66,401,050.05
  5. Step 5: Solve for x
    x = 66,401,050.05/11,311.85
  6. Step 6: Final answer
    x = 5,870.04

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1.5x scale

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.