Home / 10,504.92-15,759.30-3,109.32

Finding the Fourth Proportional to 10,504.92, 15,759.30 and 3,109.32

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Solution

The fourth proportional to 10,504.92, 15,759.30 and 3,109.32 is: 4,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.92 : 15,759.30 = 3,109.32 : x
  2. Step 2: Convert to fraction form
    10,504.92/15,759.30 = 3,109.32/x
  3. Step 3: Cross multiply
    10,504.92x = 15,759.30 × 3,109.32
  4. Step 4: Simplify right side
    10,504.92x = 49,000,706.68
  5. Step 5: Solve for x
    x = 49,000,706.68/10,504.92
  6. Step 6: Final answer
    x = 4,664.55

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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.