Home / 20,351.84-30,532.50-6,311.14

Finding the Fourth Proportional to 20,351.84, 30,532.50 and 6,311.14

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Solution

The fourth proportional to 20,351.84, 30,532.50 and 6,311.14 is: 9,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.84 : 30,532.50 = 6,311.14 : x
  2. Step 2: Convert to fraction form
    20,351.84/30,532.50 = 6,311.14/x
  3. Step 3: Cross multiply
    20,351.84x = 30,532.50 × 6,311.14
  4. Step 4: Simplify right side
    20,351.84x = 192,694,882.05
  5. Step 5: Solve for x
    x = 192,694,882.05/20,351.84
  6. Step 6: Final answer
    x = 9,468.18

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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.