Home / 10,619.68-15,929.34-3,694

Finding the Fourth Proportional to 10,619.68, 15,929.34 and 3,694

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Solution

The fourth proportional to 10,619.68, 15,929.34 and 3,694 is: 5,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.68 : 15,929.34 = 3,694 : x
  2. Step 2: Convert to fraction form
    10,619.68/15,929.34 = 3,694/x
  3. Step 3: Cross multiply
    10,619.68x = 15,929.34 × 3,694
  4. Step 4: Simplify right side
    10,619.68x = 58,842,981.96
  5. Step 5: Solve for x
    x = 58,842,981.96/10,619.68
  6. Step 6: Final answer
    x = 5,540.94

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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.