Home / 18,161.21-27,241.82-5,681.34

Finding the Fourth Proportional to 18,161.21, 27,241.82 and 5,681.34

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Solution

The fourth proportional to 18,161.21, 27,241.82 and 5,681.34 is: 8,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.21 : 27,241.82 = 5,681.34 : x
  2. Step 2: Convert to fraction form
    18,161.21/27,241.82 = 5,681.34/x
  3. Step 3: Cross multiply
    18,161.21x = 27,241.82 × 5,681.34
  4. Step 4: Simplify right side
    18,161.21x = 154,770,034.54
  5. Step 5: Solve for x
    x = 154,770,034.54/18,161.21
  6. Step 6: Final answer
    x = 8,522.01

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1.5x scale

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.