Home / 18,972.23-28,454.09-5,824.71

Finding the Fourth Proportional to 18,972.23, 28,454.09 and 5,824.71

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Solution

The fourth proportional to 18,972.23, 28,454.09 and 5,824.71 is: 8,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.23 : 28,454.09 = 5,824.71 : x
  2. Step 2: Convert to fraction form
    18,972.23/28,454.09 = 5,824.71/x
  3. Step 3: Cross multiply
    18,972.23x = 28,454.09 × 5,824.71
  4. Step 4: Simplify right side
    18,972.23x = 165,736,793.44
  5. Step 5: Solve for x
    x = 165,736,793.44/18,972.23
  6. Step 6: Final answer
    x = 8,735.76

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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.