Home / 21,768.36-32,651.46-6,183.96

Finding the Fourth Proportional to 21,768.36, 32,651.46 and 6,183.96

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Solution

The fourth proportional to 21,768.36, 32,651.46 and 6,183.96 is: 9,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.36 : 32,651.46 = 6,183.96 : x
  2. Step 2: Convert to fraction form
    21,768.36/32,651.46 = 6,183.96/x
  3. Step 3: Cross multiply
    21,768.36x = 32,651.46 × 6,183.96
  4. Step 4: Simplify right side
    21,768.36x = 201,915,322.58
  5. Step 5: Solve for x
    x = 201,915,322.58/21,768.36
  6. Step 6: Final answer
    x = 9,275.63

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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.