Home / 13,311.46-19,960.19-3,950.18

Finding the Fourth Proportional to 13,311.46, 19,960.19 and 3,950.18

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Solution

The fourth proportional to 13,311.46, 19,960.19 and 3,950.18 is: 5,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.46 : 19,960.19 = 3,950.18 : x
  2. Step 2: Convert to fraction form
    13,311.46/19,960.19 = 3,950.18/x
  3. Step 3: Cross multiply
    13,311.46x = 19,960.19 × 3,950.18
  4. Step 4: Simplify right side
    13,311.46x = 78,846,343.33
  5. Step 5: Solve for x
    x = 78,846,343.33/13,311.46
  6. Step 6: Final answer
    x = 5,923.19

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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.