Home / 13,684.24-20,517.25-4,918.02

Finding the Fourth Proportional to 13,684.24, 20,517.25 and 4,918.02

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Solution

The fourth proportional to 13,684.24, 20,517.25 and 4,918.02 is: 7,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.24 : 20,517.25 = 4,918.02 : x
  2. Step 2: Convert to fraction form
    13,684.24/20,517.25 = 4,918.02/x
  3. Step 3: Cross multiply
    13,684.24x = 20,517.25 × 4,918.02
  4. Step 4: Simplify right side
    13,684.24x = 100,904,165.83
  5. Step 5: Solve for x
    x = 100,904,165.83/13,684.24
  6. Step 6: Final answer
    x = 7,373.75

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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.