Home / 20,195.92-30,296.36-6,687.64

Finding the Fourth Proportional to 20,195.92, 30,296.36 and 6,687.64

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Solution

The fourth proportional to 20,195.92, 30,296.36 and 6,687.64 is: 10,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.92 : 30,296.36 = 6,687.64 : x
  2. Step 2: Convert to fraction form
    20,195.92/30,296.36 = 6,687.64/x
  3. Step 3: Cross multiply
    20,195.92x = 30,296.36 × 6,687.64
  4. Step 4: Simplify right side
    20,195.92x = 202,611,148.99
  5. Step 5: Solve for x
    x = 202,611,148.99/20,195.92
  6. Step 6: Final answer
    x = 10,032.28

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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.