Home / 20,200.75-30,301.44-6,349.75

Finding the Fourth Proportional to 20,200.75, 30,301.44 and 6,349.75

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Solution

The fourth proportional to 20,200.75, 30,301.44 and 6,349.75 is: 9,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.75 : 30,301.44 = 6,349.75 : x
  2. Step 2: Convert to fraction form
    20,200.75/30,301.44 = 6,349.75/x
  3. Step 3: Cross multiply
    20,200.75x = 30,301.44 × 6,349.75
  4. Step 4: Simplify right side
    20,200.75x = 192,406,568.64
  5. Step 5: Solve for x
    x = 192,406,568.64/20,200.75
  6. Step 6: Final answer
    x = 9,524.72

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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.