Home / 18,114.96-27,172.41-4,968.36

Finding the Fourth Proportional to 18,114.96, 27,172.41 and 4,968.36

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Solution

The fourth proportional to 18,114.96, 27,172.41 and 4,968.36 is: 7,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.96 : 27,172.41 = 4,968.36 : x
  2. Step 2: Convert to fraction form
    18,114.96/27,172.41 = 4,968.36/x
  3. Step 3: Cross multiply
    18,114.96x = 27,172.41 × 4,968.36
  4. Step 4: Simplify right side
    18,114.96x = 135,002,314.95
  5. Step 5: Solve for x
    x = 135,002,314.95/18,114.96
  6. Step 6: Final answer
    x = 7,452.53

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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.