Home / 12,934.26-19,388.88-4,163.22

Finding the Fourth Proportional to 12,934.26, 19,388.88 and 4,163.22

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Solution

The fourth proportional to 12,934.26, 19,388.88 and 4,163.22 is: 6,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.26 : 19,388.88 = 4,163.22 : x
  2. Step 2: Convert to fraction form
    12,934.26/19,388.88 = 4,163.22/x
  3. Step 3: Cross multiply
    12,934.26x = 19,388.88 × 4,163.22
  4. Step 4: Simplify right side
    12,934.26x = 80,720,172.99
  5. Step 5: Solve for x
    x = 80,720,172.99/12,934.26
  6. Step 6: Final answer
    x = 6,240.80

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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.