Home / 13,525.26-20,287.86-3,664.80

Finding the Fourth Proportional to 13,525.26, 20,287.86 and 3,664.80

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Solution

The fourth proportional to 13,525.26, 20,287.86 and 3,664.80 is: 5,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.26 : 20,287.86 = 3,664.80 : x
  2. Step 2: Convert to fraction form
    13,525.26/20,287.86 = 3,664.80/x
  3. Step 3: Cross multiply
    13,525.26x = 20,287.86 × 3,664.80
  4. Step 4: Simplify right side
    13,525.26x = 74,350,949.33
  5. Step 5: Solve for x
    x = 74,350,949.33/13,525.26
  6. Step 6: Final answer
    x = 5,497.19

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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.