Home / 10,204.74-15,299.91-3,959.55

Finding the Fourth Proportional to 10,204.74, 15,299.91 and 3,959.55

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Solution

The fourth proportional to 10,204.74, 15,299.91 and 3,959.55 is: 5,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.74 : 15,299.91 = 3,959.55 : x
  2. Step 2: Convert to fraction form
    10,204.74/15,299.91 = 3,959.55/x
  3. Step 3: Cross multiply
    10,204.74x = 15,299.91 × 3,959.55
  4. Step 4: Simplify right side
    10,204.74x = 60,580,758.64
  5. Step 5: Solve for x
    x = 60,580,758.64/10,204.74
  6. Step 6: Final answer
    x = 5,936.53

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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.