Home / 10,154.44-15,228.78-3,997

Finding the Fourth Proportional to 10,154.44, 15,228.78 and 3,997

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Solution

The fourth proportional to 10,154.44, 15,228.78 and 3,997 is: 5,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.44 : 15,228.78 = 3,997 : x
  2. Step 2: Convert to fraction form
    10,154.44/15,228.78 = 3,997/x
  3. Step 3: Cross multiply
    10,154.44x = 15,228.78 × 3,997
  4. Step 4: Simplify right side
    10,154.44x = 60,869,433.66
  5. Step 5: Solve for x
    x = 60,869,433.66/10,154.44
  6. Step 6: Final answer
    x = 5,994.37

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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.