Home / 20,213.30-30,307.25-6,168.67

Finding the Fourth Proportional to 20,213.30, 30,307.25 and 6,168.67

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Solution

The fourth proportional to 20,213.30, 30,307.25 and 6,168.67 is: 9,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.30 : 30,307.25 = 6,168.67 : x
  2. Step 2: Convert to fraction form
    20,213.30/30,307.25 = 6,168.67/x
  3. Step 3: Cross multiply
    20,213.30x = 30,307.25 × 6,168.67
  4. Step 4: Simplify right side
    20,213.30x = 186,955,241.48
  5. Step 5: Solve for x
    x = 186,955,241.48/20,213.30
  6. Step 6: Final answer
    x = 9,249.12

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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.