Home / 11,713.31-17,571.80-3,813.96

Finding the Fourth Proportional to 11,713.31, 17,571.80 and 3,813.96

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Solution

The fourth proportional to 11,713.31, 17,571.80 and 3,813.96 is: 5,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.31 : 17,571.80 = 3,813.96 : x
  2. Step 2: Convert to fraction form
    11,713.31/17,571.80 = 3,813.96/x
  3. Step 3: Cross multiply
    11,713.31x = 17,571.80 × 3,813.96
  4. Step 4: Simplify right side
    11,713.31x = 67,018,156.21
  5. Step 5: Solve for x
    x = 67,018,156.21/11,713.31
  6. Step 6: Final answer
    x = 5,721.54

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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.