Home / 13,767.23-20,650.76-3,906.51

Finding the Fourth Proportional to 13,767.23, 20,650.76 and 3,906.51

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Solution

The fourth proportional to 13,767.23, 20,650.76 and 3,906.51 is: 5,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.23 : 20,650.76 = 3,906.51 : x
  2. Step 2: Convert to fraction form
    13,767.23/20,650.76 = 3,906.51/x
  3. Step 3: Cross multiply
    13,767.23x = 20,650.76 × 3,906.51
  4. Step 4: Simplify right side
    13,767.23x = 80,672,400.45
  5. Step 5: Solve for x
    x = 80,672,400.45/13,767.23
  6. Step 6: Final answer
    x = 5,859.74

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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.