Home / 18,698.52-28,049.34-5,371.56

Finding the Fourth Proportional to 18,698.52, 28,049.34 and 5,371.56

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Solution

The fourth proportional to 18,698.52, 28,049.34 and 5,371.56 is: 8,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.52 : 28,049.34 = 5,371.56 : x
  2. Step 2: Convert to fraction form
    18,698.52/28,049.34 = 5,371.56/x
  3. Step 3: Cross multiply
    18,698.52x = 28,049.34 × 5,371.56
  4. Step 4: Simplify right side
    18,698.52x = 150,668,712.77
  5. Step 5: Solve for x
    x = 150,668,712.77/18,698.52
  6. Step 6: Final answer
    x = 8,057.79

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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.