Home / 18,882.45-28,324.31-5,734.79

Finding the Fourth Proportional to 18,882.45, 28,324.31 and 5,734.79

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Solution

The fourth proportional to 18,882.45, 28,324.31 and 5,734.79 is: 8,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.45 : 28,324.31 = 5,734.79 : x
  2. Step 2: Convert to fraction form
    18,882.45/28,324.31 = 5,734.79/x
  3. Step 3: Cross multiply
    18,882.45x = 28,324.31 × 5,734.79
  4. Step 4: Simplify right side
    18,882.45x = 162,433,799.45
  5. Step 5: Solve for x
    x = 162,433,799.45/18,882.45
  6. Step 6: Final answer
    x = 8,602.37

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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.