Home / 11,733.72-16,192.86-6,428.82

Finding the Fourth Proportional to 11,733.72, 16,192.86 and 6,428.82

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Solution

The fourth proportional to 11,733.72, 16,192.86 and 6,428.82 is: 8,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.72 : 16,192.86 = 6,428.82 : x
  2. Step 2: Convert to fraction form
    11,733.72/16,192.86 = 6,428.82/x
  3. Step 3: Cross multiply
    11,733.72x = 16,192.86 × 6,428.82
  4. Step 4: Simplify right side
    11,733.72x = 104,100,982.23
  5. Step 5: Solve for x
    x = 104,100,982.23/11,733.72
  6. Step 6: Final answer
    x = 8,871.95

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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.