Home / 12,934.96-19,405.68-4,169.68

Finding the Fourth Proportional to 12,934.96, 19,405.68 and 4,169.68

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Solution

The fourth proportional to 12,934.96, 19,405.68 and 4,169.68 is: 6,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.96 : 19,405.68 = 4,169.68 : x
  2. Step 2: Convert to fraction form
    12,934.96/19,405.68 = 4,169.68/x
  3. Step 3: Cross multiply
    12,934.96x = 19,405.68 × 4,169.68
  4. Step 4: Simplify right side
    12,934.96x = 80,915,475.78
  5. Step 5: Solve for x
    x = 80,915,475.78/12,934.96
  6. Step 6: Final answer
    x = 6,255.56

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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.