Home / 13,170.41-19,738.07-5,766.81

Finding the Fourth Proportional to 13,170.41, 19,738.07 and 5,766.81

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Solution

The fourth proportional to 13,170.41, 19,738.07 and 5,766.81 is: 8,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.41 : 19,738.07 = 5,766.81 : x
  2. Step 2: Convert to fraction form
    13,170.41/19,738.07 = 5,766.81/x
  3. Step 3: Cross multiply
    13,170.41x = 19,738.07 × 5,766.81
  4. Step 4: Simplify right side
    13,170.41x = 113,825,670.62
  5. Step 5: Solve for x
    x = 113,825,670.62/13,170.41
  6. Step 6: Final answer
    x = 8,642.53

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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.