Home / 10,512.45-15,768.21-2,614.79

Finding the Fourth Proportional to 10,512.45, 15,768.21 and 2,614.79

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Solution

The fourth proportional to 10,512.45, 15,768.21 and 2,614.79 is: 3,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.45 : 15,768.21 = 2,614.79 : x
  2. Step 2: Convert to fraction form
    10,512.45/15,768.21 = 2,614.79/x
  3. Step 3: Cross multiply
    10,512.45x = 15,768.21 × 2,614.79
  4. Step 4: Simplify right side
    10,512.45x = 41,230,597.25
  5. Step 5: Solve for x
    x = 41,230,597.25/10,512.45
  6. Step 6: Final answer
    x = 3,922.07

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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.