Home / 11,539.21-17,309.19-3,641.80

Finding the Fourth Proportional to 11,539.21, 17,309.19 and 3,641.80

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Solution

The fourth proportional to 11,539.21, 17,309.19 and 3,641.80 is: 5,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.21 : 17,309.19 = 3,641.80 : x
  2. Step 2: Convert to fraction form
    11,539.21/17,309.19 = 3,641.80/x
  3. Step 3: Cross multiply
    11,539.21x = 17,309.19 × 3,641.80
  4. Step 4: Simplify right side
    11,539.21x = 63,036,608.14
  5. Step 5: Solve for x
    x = 63,036,608.14/11,539.21
  6. Step 6: Final answer
    x = 5,462.82

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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.