Home / 21,464.92-32,193.78-5,879.80

Finding the Fourth Proportional to 21,464.92, 32,193.78 and 5,879.80

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Solution

The fourth proportional to 21,464.92, 32,193.78 and 5,879.80 is: 8,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.92 : 32,193.78 = 5,879.80 : x
  2. Step 2: Convert to fraction form
    21,464.92/32,193.78 = 5,879.80/x
  3. Step 3: Cross multiply
    21,464.92x = 32,193.78 × 5,879.80
  4. Step 4: Simplify right side
    21,464.92x = 189,292,987.64
  5. Step 5: Solve for x
    x = 189,292,987.64/21,464.92
  6. Step 6: Final answer
    x = 8,818.71

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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.