Home / 19,329.66-28,997.16-6,177.54

Finding the Fourth Proportional to 19,329.66, 28,997.16 and 6,177.54

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Solution

The fourth proportional to 19,329.66, 28,997.16 and 6,177.54 is: 9,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.66 : 28,997.16 = 6,177.54 : x
  2. Step 2: Convert to fraction form
    19,329.66/28,997.16 = 6,177.54/x
  3. Step 3: Cross multiply
    19,329.66x = 28,997.16 × 6,177.54
  4. Step 4: Simplify right side
    19,329.66x = 179,131,115.79
  5. Step 5: Solve for x
    x = 179,131,115.79/19,329.66
  6. Step 6: Final answer
    x = 9,267.16

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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.