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Finding the Fourth Proportional to 10,074.44, 15,110.46 and 2,679.44

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Solution

The fourth proportional to 10,074.44, 15,110.46 and 2,679.44 is: 4,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.44 : 15,110.46 = 2,679.44 : x
  2. Step 2: Convert to fraction form
    10,074.44/15,110.46 = 2,679.44/x
  3. Step 3: Cross multiply
    10,074.44x = 15,110.46 × 2,679.44
  4. Step 4: Simplify right side
    10,074.44x = 40,487,570.94
  5. Step 5: Solve for x
    x = 40,487,570.94/10,074.44
  6. Step 6: Final answer
    x = 4,018.84

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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.