Home / 20,452.62-30,678.96-6,221.22

Finding the Fourth Proportional to 20,452.62, 30,678.96 and 6,221.22

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Solution

The fourth proportional to 20,452.62, 30,678.96 and 6,221.22 is: 9,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.62 : 30,678.96 = 6,221.22 : x
  2. Step 2: Convert to fraction form
    20,452.62/30,678.96 = 6,221.22/x
  3. Step 3: Cross multiply
    20,452.62x = 30,678.96 × 6,221.22
  4. Step 4: Simplify right side
    20,452.62x = 190,860,559.53
  5. Step 5: Solve for x
    x = 190,860,559.53/20,452.62
  6. Step 6: Final answer
    x = 9,331.84

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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.