Home / 10,247.06-15,360.60-5,249.43

Finding the Fourth Proportional to 10,247.06, 15,360.60 and 5,249.43

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Solution

The fourth proportional to 10,247.06, 15,360.60 and 5,249.43 is: 7,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.06 : 15,360.60 = 5,249.43 : x
  2. Step 2: Convert to fraction form
    10,247.06/15,360.60 = 5,249.43/x
  3. Step 3: Cross multiply
    10,247.06x = 15,360.60 × 5,249.43
  4. Step 4: Simplify right side
    10,247.06x = 80,634,414.14
  5. Step 5: Solve for x
    x = 80,634,414.14/10,247.06
  6. Step 6: Final answer
    x = 7,869.03

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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.