Home / 19,286.76-28,932.27-6,136.08

Finding the Fourth Proportional to 19,286.76, 28,932.27 and 6,136.08

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Solution

The fourth proportional to 19,286.76, 28,932.27 and 6,136.08 is: 9,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.76 : 28,932.27 = 6,136.08 : x
  2. Step 2: Convert to fraction form
    19,286.76/28,932.27 = 6,136.08/x
  3. Step 3: Cross multiply
    19,286.76x = 28,932.27 × 6,136.08
  4. Step 4: Simplify right side
    19,286.76x = 177,530,723.30
  5. Step 5: Solve for x
    x = 177,530,723.30/19,286.76
  6. Step 6: Final answer
    x = 9,204.80

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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.