Home / 11,253.98-16,881.80-3,858.38

Finding the Fourth Proportional to 11,253.98, 16,881.80 and 3,858.38

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Solution

The fourth proportional to 11,253.98, 16,881.80 and 3,858.38 is: 5,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.98 : 16,881.80 = 3,858.38 : x
  2. Step 2: Convert to fraction form
    11,253.98/16,881.80 = 3,858.38/x
  3. Step 3: Cross multiply
    11,253.98x = 16,881.80 × 3,858.38
  4. Step 4: Simplify right side
    11,253.98x = 65,136,359.09
  5. Step 5: Solve for x
    x = 65,136,359.09/11,253.98
  6. Step 6: Final answer
    x = 5,787.85

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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.