Home / 19,173.05-28,759.79-6,693.09

Finding the Fourth Proportional to 19,173.05, 28,759.79 and 6,693.09

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Solution

The fourth proportional to 19,173.05, 28,759.79 and 6,693.09 is: 10,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.05 : 28,759.79 = 6,693.09 : x
  2. Step 2: Convert to fraction form
    19,173.05/28,759.79 = 6,693.09/x
  3. Step 3: Cross multiply
    19,173.05x = 28,759.79 × 6,693.09
  4. Step 4: Simplify right side
    19,173.05x = 192,491,862.85
  5. Step 5: Solve for x
    x = 192,491,862.85/19,173.05
  6. Step 6: Final answer
    x = 10,039.71

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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.