Home / 19,183.68-28,767.96-9,320.04

Finding the Fourth Proportional to 19,183.68, 28,767.96 and 9,320.04

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Solution

The fourth proportional to 19,183.68, 28,767.96 and 9,320.04 is: 13,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.68 : 28,767.96 = 9,320.04 : x
  2. Step 2: Convert to fraction form
    19,183.68/28,767.96 = 9,320.04/x
  3. Step 3: Cross multiply
    19,183.68x = 28,767.96 × 9,320.04
  4. Step 4: Simplify right side
    19,183.68x = 268,118,537.92
  5. Step 5: Solve for x
    x = 268,118,537.92/19,183.68
  6. Step 6: Final answer
    x = 13,976.39

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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.