Home / 10,640.94-15,962.16-3,144.41

Finding the Fourth Proportional to 10,640.94, 15,962.16 and 3,144.41

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Solution

The fourth proportional to 10,640.94, 15,962.16 and 3,144.41 is: 4,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.94 : 15,962.16 = 3,144.41 : x
  2. Step 2: Convert to fraction form
    10,640.94/15,962.16 = 3,144.41/x
  3. Step 3: Cross multiply
    10,640.94x = 15,962.16 × 3,144.41
  4. Step 4: Simplify right side
    10,640.94x = 50,191,575.53
  5. Step 5: Solve for x
    x = 50,191,575.53/10,640.94
  6. Step 6: Final answer
    x = 4,716.84

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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.