Home / 11,711.64-17,560.98-3,918.36

Finding the Fourth Proportional to 11,711.64, 17,560.98 and 3,918.36

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Solution

The fourth proportional to 11,711.64, 17,560.98 and 3,918.36 is: 5,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.64 : 17,560.98 = 3,918.36 : x
  2. Step 2: Convert to fraction form
    11,711.64/17,560.98 = 3,918.36/x
  3. Step 3: Cross multiply
    11,711.64x = 17,560.98 × 3,918.36
  4. Step 4: Simplify right side
    11,711.64x = 68,810,241.59
  5. Step 5: Solve for x
    x = 68,810,241.59/11,711.64
  6. Step 6: Final answer
    x = 5,875.37

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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.