Home / 10,144.08-15,220.92-3,571.74

Finding the Fourth Proportional to 10,144.08, 15,220.92 and 3,571.74

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Solution

The fourth proportional to 10,144.08, 15,220.92 and 3,571.74 is: 5,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.08 : 15,220.92 = 3,571.74 : x
  2. Step 2: Convert to fraction form
    10,144.08/15,220.92 = 3,571.74/x
  3. Step 3: Cross multiply
    10,144.08x = 15,220.92 × 3,571.74
  4. Step 4: Simplify right side
    10,144.08x = 54,365,168.80
  5. Step 5: Solve for x
    x = 54,365,168.80/10,144.08
  6. Step 6: Final answer
    x = 5,359.30

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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.