Home / 11,421.22-17,131.65-3,629.92

Finding the Fourth Proportional to 11,421.22, 17,131.65 and 3,629.92

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Solution

The fourth proportional to 11,421.22, 17,131.65 and 3,629.92 is: 5,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.22 : 17,131.65 = 3,629.92 : x
  2. Step 2: Convert to fraction form
    11,421.22/17,131.65 = 3,629.92/x
  3. Step 3: Cross multiply
    11,421.22x = 17,131.65 × 3,629.92
  4. Step 4: Simplify right side
    11,421.22x = 62,186,518.97
  5. Step 5: Solve for x
    x = 62,186,518.97/11,421.22
  6. Step 6: Final answer
    x = 5,444.82

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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.