Home / 13,713.76-20,571.62-6,699.61

Finding the Fourth Proportional to 13,713.76, 20,571.62 and 6,699.61

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Solution

The fourth proportional to 13,713.76, 20,571.62 and 6,699.61 is: 10,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.76 : 20,571.62 = 6,699.61 : x
  2. Step 2: Convert to fraction form
    13,713.76/20,571.62 = 6,699.61/x
  3. Step 3: Cross multiply
    13,713.76x = 20,571.62 × 6,699.61
  4. Step 4: Simplify right side
    13,713.76x = 137,821,860.97
  5. Step 5: Solve for x
    x = 137,821,860.97/13,713.76
  6. Step 6: Final answer
    x = 10,049.90

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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.