Home / 18,772.92-28,151.07-5,622.84

Finding the Fourth Proportional to 18,772.92, 28,151.07 and 5,622.84

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Solution

The fourth proportional to 18,772.92, 28,151.07 and 5,622.84 is: 8,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.92 : 28,151.07 = 5,622.84 : x
  2. Step 2: Convert to fraction form
    18,772.92/28,151.07 = 5,622.84/x
  3. Step 3: Cross multiply
    18,772.92x = 28,151.07 × 5,622.84
  4. Step 4: Simplify right side
    18,772.92x = 158,288,962.44
  5. Step 5: Solve for x
    x = 158,288,962.44/18,772.92
  6. Step 6: Final answer
    x = 8,431.77

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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.