Home / 10,163.09-15,241.22-3,407.31

Finding the Fourth Proportional to 10,163.09, 15,241.22 and 3,407.31

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Solution

The fourth proportional to 10,163.09, 15,241.22 and 3,407.31 is: 5,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.09 : 15,241.22 = 3,407.31 : x
  2. Step 2: Convert to fraction form
    10,163.09/15,241.22 = 3,407.31/x
  3. Step 3: Cross multiply
    10,163.09x = 15,241.22 × 3,407.31
  4. Step 4: Simplify right side
    10,163.09x = 51,931,557.06
  5. Step 5: Solve for x
    x = 51,931,557.06/10,163.09
  6. Step 6: Final answer
    x = 5,109.82

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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.