Home / 13,602.54-20,399.04-4,241.38

Finding the Fourth Proportional to 13,602.54, 20,399.04 and 4,241.38

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Solution

The fourth proportional to 13,602.54, 20,399.04 and 4,241.38 is: 6,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.54 : 20,399.04 = 4,241.38 : x
  2. Step 2: Convert to fraction form
    13,602.54/20,399.04 = 4,241.38/x
  3. Step 3: Cross multiply
    13,602.54x = 20,399.04 × 4,241.38
  4. Step 4: Simplify right side
    13,602.54x = 86,520,080.28
  5. Step 5: Solve for x
    x = 86,520,080.28/13,602.54
  6. Step 6: Final answer
    x = 6,360.58

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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.