Home / 10,512.21-15,768.27-3,941.49

Finding the Fourth Proportional to 10,512.21, 15,768.27 and 3,941.49

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Solution

The fourth proportional to 10,512.21, 15,768.27 and 3,941.49 is: 5,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.21 : 15,768.27 = 3,941.49 : x
  2. Step 2: Convert to fraction form
    10,512.21/15,768.27 = 3,941.49/x
  3. Step 3: Cross multiply
    10,512.21x = 15,768.27 × 3,941.49
  4. Step 4: Simplify right side
    10,512.21x = 62,150,478.52
  5. Step 5: Solve for x
    x = 62,150,478.52/10,512.21
  6. Step 6: Final answer
    x = 5,912.22

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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.