Home / 18,793.46-28,190.43-5,645.07

Finding the Fourth Proportional to 18,793.46, 28,190.43 and 5,645.07

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Solution

The fourth proportional to 18,793.46, 28,190.43 and 5,645.07 is: 8,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.46 : 28,190.43 = 5,645.07 : x
  2. Step 2: Convert to fraction form
    18,793.46/28,190.43 = 5,645.07/x
  3. Step 3: Cross multiply
    18,793.46x = 28,190.43 × 5,645.07
  4. Step 4: Simplify right side
    18,793.46x = 159,136,950.68
  5. Step 5: Solve for x
    x = 159,136,950.68/18,793.46
  6. Step 6: Final answer
    x = 8,467.68

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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.