Home / 19,238.68-28,859.66-6,757.61

Finding the Fourth Proportional to 19,238.68, 28,859.66 and 6,757.61

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Solution

The fourth proportional to 19,238.68, 28,859.66 and 6,757.61 is: 10,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.68 : 28,859.66 = 6,757.61 : x
  2. Step 2: Convert to fraction form
    19,238.68/28,859.66 = 6,757.61/x
  3. Step 3: Cross multiply
    19,238.68x = 28,859.66 × 6,757.61
  4. Step 4: Simplify right side
    19,238.68x = 195,022,293.22
  5. Step 5: Solve for x
    x = 195,022,293.22/19,238.68
  6. Step 6: Final answer
    x = 10,136.99

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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.