Home / 19,321.62-28,989.72-6,841.14

Finding the Fourth Proportional to 19,321.62, 28,989.72 and 6,841.14

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Solution

The fourth proportional to 19,321.62, 28,989.72 and 6,841.14 is: 10,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.62 : 28,989.72 = 6,841.14 : x
  2. Step 2: Convert to fraction form
    19,321.62/28,989.72 = 6,841.14/x
  3. Step 3: Cross multiply
    19,321.62x = 28,989.72 × 6,841.14
  4. Step 4: Simplify right side
    19,321.62x = 198,322,733.08
  5. Step 5: Solve for x
    x = 198,322,733.08/19,321.62
  6. Step 6: Final answer
    x = 10,264.29

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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.