Home / 18,834.03-28,221.04-9,949.02

Finding the Fourth Proportional to 18,834.03, 28,221.04 and 9,949.02

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Solution

The fourth proportional to 18,834.03, 28,221.04 and 9,949.02 is: 14,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.03 : 28,221.04 = 9,949.02 : x
  2. Step 2: Convert to fraction form
    18,834.03/28,221.04 = 9,949.02/x
  3. Step 3: Cross multiply
    18,834.03x = 28,221.04 × 9,949.02
  4. Step 4: Simplify right side
    18,834.03x = 280,771,691.38
  5. Step 5: Solve for x
    x = 280,771,691.38/18,834.03
  6. Step 6: Final answer
    x = 14,907.68

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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.