Home / 18,513.05-27,771.16-6,504.15

Finding the Fourth Proportional to 18,513.05, 27,771.16 and 6,504.15

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Solution

The fourth proportional to 18,513.05, 27,771.16 and 6,504.15 is: 9,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.05 : 27,771.16 = 6,504.15 : x
  2. Step 2: Convert to fraction form
    18,513.05/27,771.16 = 6,504.15/x
  3. Step 3: Cross multiply
    18,513.05x = 27,771.16 × 6,504.15
  4. Step 4: Simplify right side
    18,513.05x = 180,627,757.79
  5. Step 5: Solve for x
    x = 180,627,757.79/18,513.05
  6. Step 6: Final answer
    x = 9,756.78

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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.