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Finding the Fourth Proportional to 10,519, 15,778.62 and 2,727.34

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Solution

The fourth proportional to 10,519, 15,778.62 and 2,727.34 is: 4,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519 : 15,778.62 = 2,727.34 : x
  2. Step 2: Convert to fraction form
    10,519/15,778.62 = 2,727.34/x
  3. Step 3: Cross multiply
    10,519x = 15,778.62 × 2,727.34
  4. Step 4: Simplify right side
    10,519x = 43,033,661.47
  5. Step 5: Solve for x
    x = 43,033,661.47/10,519
  6. Step 6: Final answer
    x = 4,091.04

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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.