Home / 11,748.24-16,212.96-6,443.55

Finding the Fourth Proportional to 11,748.24, 16,212.96 and 6,443.55

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Solution

The fourth proportional to 11,748.24, 16,212.96 and 6,443.55 is: 8,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.24 : 16,212.96 = 6,443.55 : x
  2. Step 2: Convert to fraction form
    11,748.24/16,212.96 = 6,443.55/x
  3. Step 3: Cross multiply
    11,748.24x = 16,212.96 × 6,443.55
  4. Step 4: Simplify right side
    11,748.24x = 104,469,018.41
  5. Step 5: Solve for x
    x = 104,469,018.41/11,748.24
  6. Step 6: Final answer
    x = 8,892.31

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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.