Home / 20,834.69-31,274.24-8,994.24

Finding the Fourth Proportional to 20,834.69, 31,274.24 and 8,994.24

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Solution

The fourth proportional to 20,834.69, 31,274.24 and 8,994.24 is: 13,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.69 : 31,274.24 = 8,994.24 : x
  2. Step 2: Convert to fraction form
    20,834.69/31,274.24 = 8,994.24/x
  3. Step 3: Cross multiply
    20,834.69x = 31,274.24 × 8,994.24
  4. Step 4: Simplify right side
    20,834.69x = 281,287,975.41
  5. Step 5: Solve for x
    x = 281,287,975.41/20,834.69
  6. Step 6: Final answer
    x = 13,500.95

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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.