Home / 13,758.26-20,645.55-4,993.85

Finding the Fourth Proportional to 13,758.26, 20,645.55 and 4,993.85

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Solution

The fourth proportional to 13,758.26, 20,645.55 and 4,993.85 is: 7,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.26 : 20,645.55 = 4,993.85 : x
  2. Step 2: Convert to fraction form
    13,758.26/20,645.55 = 4,993.85/x
  3. Step 3: Cross multiply
    13,758.26x = 20,645.55 × 4,993.85
  4. Step 4: Simplify right side
    13,758.26x = 103,100,831.48
  5. Step 5: Solve for x
    x = 103,100,831.48/13,758.26
  6. Step 6: Final answer
    x = 7,493.74

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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.