Home / 20,639.58-30,949.92-6,596.88

Finding the Fourth Proportional to 20,639.58, 30,949.92 and 6,596.88

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Solution

The fourth proportional to 20,639.58, 30,949.92 and 6,596.88 is: 9,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.58 : 30,949.92 = 6,596.88 : x
  2. Step 2: Convert to fraction form
    20,639.58/30,949.92 = 6,596.88/x
  3. Step 3: Cross multiply
    20,639.58x = 30,949.92 × 6,596.88
  4. Step 4: Simplify right side
    20,639.58x = 204,172,908.25
  5. Step 5: Solve for x
    x = 204,172,908.25/20,639.58
  6. Step 6: Final answer
    x = 9,892.30

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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.