Home / 19,067.67-28,614.87-12,839.58

Finding the Fourth Proportional to 19,067.67, 28,614.87 and 12,839.58

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Solution

The fourth proportional to 19,067.67, 28,614.87 and 12,839.58 is: 19,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.67 : 28,614.87 = 12,839.58 : x
  2. Step 2: Convert to fraction form
    19,067.67/28,614.87 = 12,839.58/x
  3. Step 3: Cross multiply
    19,067.67x = 28,614.87 × 12,839.58
  4. Step 4: Simplify right side
    19,067.67x = 367,402,912.55
  5. Step 5: Solve for x
    x = 367,402,912.55/19,067.67
  6. Step 6: Final answer
    x = 19,268.37

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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.