Home / 13,774.25-20,660.67-3,912.23

Finding the Fourth Proportional to 13,774.25, 20,660.67 and 3,912.23

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Solution

The fourth proportional to 13,774.25, 20,660.67 and 3,912.23 is: 5,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.25 : 20,660.67 = 3,912.23 : x
  2. Step 2: Convert to fraction form
    13,774.25/20,660.67 = 3,912.23/x
  3. Step 3: Cross multiply
    13,774.25x = 20,660.67 × 3,912.23
  4. Step 4: Simplify right side
    13,774.25x = 80,829,344.65
  5. Step 5: Solve for x
    x = 80,829,344.65/13,774.25
  6. Step 6: Final answer
    x = 5,868.15

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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.