Home / 20,236.28-30,358.93-6,198.28

Finding the Fourth Proportional to 20,236.28, 30,358.93 and 6,198.28

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Solution

The fourth proportional to 20,236.28, 30,358.93 and 6,198.28 is: 9,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.28 : 30,358.93 = 6,198.28 : x
  2. Step 2: Convert to fraction form
    20,236.28/30,358.93 = 6,198.28/x
  3. Step 3: Cross multiply
    20,236.28x = 30,358.93 × 6,198.28
  4. Step 4: Simplify right side
    20,236.28x = 188,173,148.64
  5. Step 5: Solve for x
    x = 188,173,148.64/20,236.28
  6. Step 6: Final answer
    x = 9,298.80

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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.