Home / 10,801.45-16,203.09-3,781.30

Finding the Fourth Proportional to 10,801.45, 16,203.09 and 3,781.30

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Solution

The fourth proportional to 10,801.45, 16,203.09 and 3,781.30 is: 5,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.45 : 16,203.09 = 3,781.30 : x
  2. Step 2: Convert to fraction form
    10,801.45/16,203.09 = 3,781.30/x
  3. Step 3: Cross multiply
    10,801.45x = 16,203.09 × 3,781.30
  4. Step 4: Simplify right side
    10,801.45x = 61,268,744.22
  5. Step 5: Solve for x
    x = 61,268,744.22/10,801.45
  6. Step 6: Final answer
    x = 5,672.27

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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.