Home / 20,651.27-30,969.14-6,607.58

Finding the Fourth Proportional to 20,651.27, 30,969.14 and 6,607.58

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Solution

The fourth proportional to 20,651.27, 30,969.14 and 6,607.58 is: 9,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651.27 : 30,969.14 = 6,607.58 : x
  2. Step 2: Convert to fraction form
    20,651.27/30,969.14 = 6,607.58/x
  3. Step 3: Cross multiply
    20,651.27x = 30,969.14 × 6,607.58
  4. Step 4: Simplify right side
    20,651.27x = 204,630,882.20
  5. Step 5: Solve for x
    x = 204,630,882.20/20,651.27
  6. Step 6: Final answer
    x = 9,908.88

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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.