Home / 19,289.14-28,935.83-6,138.43

Finding the Fourth Proportional to 19,289.14, 28,935.83 and 6,138.43

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Solution

The fourth proportional to 19,289.14, 28,935.83 and 6,138.43 is: 9,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.14 : 28,935.83 = 6,138.43 : x
  2. Step 2: Convert to fraction form
    19,289.14/28,935.83 = 6,138.43/x
  3. Step 3: Cross multiply
    19,289.14x = 28,935.83 × 6,138.43
  4. Step 4: Simplify right side
    19,289.14x = 177,620,672.72
  5. Step 5: Solve for x
    x = 177,620,672.72/19,289.14
  6. Step 6: Final answer
    x = 9,208.33

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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.