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Finding the Fourth Proportional to 11,375.24, 15,697.36 and 6,339.20

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Solution

The fourth proportional to 11,375.24, 15,697.36 and 6,339.20 is: 8,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.24 : 15,697.36 = 6,339.20 : x
  2. Step 2: Convert to fraction form
    11,375.24/15,697.36 = 6,339.20/x
  3. Step 3: Cross multiply
    11,375.24x = 15,697.36 × 6,339.20
  4. Step 4: Simplify right side
    11,375.24x = 99,508,704.51
  5. Step 5: Solve for x
    x = 99,508,704.51/11,375.24
  6. Step 6: Final answer
    x = 8,747.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.