Home / 19,610.46-29,415.78-4,819.38

Finding the Fourth Proportional to 19,610.46, 29,415.78 and 4,819.38

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Solution

The fourth proportional to 19,610.46, 29,415.78 and 4,819.38 is: 7,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.46 : 29,415.78 = 4,819.38 : x
  2. Step 2: Convert to fraction form
    19,610.46/29,415.78 = 4,819.38/x
  3. Step 3: Cross multiply
    19,610.46x = 29,415.78 × 4,819.38
  4. Step 4: Simplify right side
    19,610.46x = 141,765,821.82
  5. Step 5: Solve for x
    x = 141,765,821.82/19,610.46
  6. Step 6: Final answer
    x = 7,229.09

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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.