Home / 18,757.41-28,131.93-5,608.08

Finding the Fourth Proportional to 18,757.41, 28,131.93 and 5,608.08

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Solution

The fourth proportional to 18,757.41, 28,131.93 and 5,608.08 is: 8,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.41 : 28,131.93 = 5,608.08 : x
  2. Step 2: Convert to fraction form
    18,757.41/28,131.93 = 5,608.08/x
  3. Step 3: Cross multiply
    18,757.41x = 28,131.93 × 5,608.08
  4. Step 4: Simplify right side
    18,757.41x = 157,766,113.99
  5. Step 5: Solve for x
    x = 157,766,113.99/18,757.41
  6. Step 6: Final answer
    x = 8,410.87

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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.