Home / 11,163.88-16,746.90-3,769.30

Finding the Fourth Proportional to 11,163.88, 16,746.90 and 3,769.30

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Solution

The fourth proportional to 11,163.88, 16,746.90 and 3,769.30 is: 5,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.88 : 16,746.90 = 3,769.30 : x
  2. Step 2: Convert to fraction form
    11,163.88/16,746.90 = 3,769.30/x
  3. Step 3: Cross multiply
    11,163.88x = 16,746.90 × 3,769.30
  4. Step 4: Simplify right side
    11,163.88x = 63,124,090.17
  5. Step 5: Solve for x
    x = 63,124,090.17/11,163.88
  6. Step 6: Final answer
    x = 5,654.31

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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.