Home / 10,142.96-15,214.44-3,819.03

Finding the Fourth Proportional to 10,142.96, 15,214.44 and 3,819.03

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Solution

The fourth proportional to 10,142.96, 15,214.44 and 3,819.03 is: 5,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.96 : 15,214.44 = 3,819.03 : x
  2. Step 2: Convert to fraction form
    10,142.96/15,214.44 = 3,819.03/x
  3. Step 3: Cross multiply
    10,142.96x = 15,214.44 × 3,819.03
  4. Step 4: Simplify right side
    10,142.96x = 58,104,338.58
  5. Step 5: Solve for x
    x = 58,104,338.58/10,142.96
  6. Step 6: Final answer
    x = 5,728.54

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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.