Home / 18,564.29-27,852.82-5,418.60

Finding the Fourth Proportional to 18,564.29, 27,852.82 and 5,418.60

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Solution

The fourth proportional to 18,564.29, 27,852.82 and 5,418.60 is: 8,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.29 : 27,852.82 = 5,418.60 : x
  2. Step 2: Convert to fraction form
    18,564.29/27,852.82 = 5,418.60/x
  3. Step 3: Cross multiply
    18,564.29x = 27,852.82 × 5,418.60
  4. Step 4: Simplify right side
    18,564.29x = 150,923,290.45
  5. Step 5: Solve for x
    x = 150,923,290.45/18,564.29
  6. Step 6: Final answer
    x = 8,129.76

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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.