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Finding the Fourth Proportional to 16,567.78, 24,843.15 and 4,879.48

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Solution

The fourth proportional to 16,567.78, 24,843.15 and 4,879.48 is: 7,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,567.78 : 24,843.15 = 4,879.48 : x
  2. Step 2: Convert to fraction form
    16,567.78/24,843.15 = 4,879.48/x
  3. Step 3: Cross multiply
    16,567.78x = 24,843.15 × 4,879.48
  4. Step 4: Simplify right side
    16,567.78x = 121,221,653.56
  5. Step 5: Solve for x
    x = 121,221,653.56/16,567.78
  6. Step 6: Final answer
    x = 7,316.71

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1.5x scale

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.