Home / 19,098.39-28,648.41-5,247.39

Finding the Fourth Proportional to 19,098.39, 28,648.41 and 5,247.39

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Solution

The fourth proportional to 19,098.39, 28,648.41 and 5,247.39 is: 7,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.39 : 28,648.41 = 5,247.39 : x
  2. Step 2: Convert to fraction form
    19,098.39/28,648.41 = 5,247.39/x
  3. Step 3: Cross multiply
    19,098.39x = 28,648.41 × 5,247.39
  4. Step 4: Simplify right side
    19,098.39x = 150,329,380.15
  5. Step 5: Solve for x
    x = 150,329,380.15/19,098.39
  6. Step 6: Final answer
    x = 7,871.31

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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.