Home / 19,984.70-29,981.10-6,837.60

Finding the Fourth Proportional to 19,984.70, 29,981.10 and 6,837.60

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Solution

The fourth proportional to 19,984.70, 29,981.10 and 6,837.60 is: 10,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.70 : 29,981.10 = 6,837.60 : x
  2. Step 2: Convert to fraction form
    19,984.70/29,981.10 = 6,837.60/x
  3. Step 3: Cross multiply
    19,984.70x = 29,981.10 × 6,837.60
  4. Step 4: Simplify right side
    19,984.70x = 204,998,769.36
  5. Step 5: Solve for x
    x = 204,998,769.36/19,984.70
  6. Step 6: Final answer
    x = 10,257.79

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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.