Home / 12,910.68-19,366.47-4,144.44

Finding the Fourth Proportional to 12,910.68, 19,366.47 and 4,144.44

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Solution

The fourth proportional to 12,910.68, 19,366.47 and 4,144.44 is: 6,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.68 : 19,366.47 = 4,144.44 : x
  2. Step 2: Convert to fraction form
    12,910.68/19,366.47 = 4,144.44/x
  3. Step 3: Cross multiply
    12,910.68x = 19,366.47 × 4,144.44
  4. Step 4: Simplify right side
    12,910.68x = 80,263,172.93
  5. Step 5: Solve for x
    x = 80,263,172.93/12,910.68
  6. Step 6: Final answer
    x = 6,216.80

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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.