Home / 19,321.35-28,982.09-6,841.38

Finding the Fourth Proportional to 19,321.35, 28,982.09 and 6,841.38

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Solution

The fourth proportional to 19,321.35, 28,982.09 and 6,841.38 is: 10,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.35 : 28,982.09 = 6,841.38 : x
  2. Step 2: Convert to fraction form
    19,321.35/28,982.09 = 6,841.38/x
  3. Step 3: Cross multiply
    19,321.35x = 28,982.09 × 6,841.38
  4. Step 4: Simplify right side
    19,321.35x = 198,277,507.99
  5. Step 5: Solve for x
    x = 198,277,507.99/19,321.35
  6. Step 6: Final answer
    x = 10,262.09

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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.