Home / 13,922.26-19,211.88-8,257.54

Finding the Fourth Proportional to 13,922.26, 19,211.88 and 8,257.54

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Solution

The fourth proportional to 13,922.26, 19,211.88 and 8,257.54 is: 11,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.26 : 19,211.88 = 8,257.54 : x
  2. Step 2: Convert to fraction form
    13,922.26/19,211.88 = 8,257.54/x
  3. Step 3: Cross multiply
    13,922.26x = 19,211.88 × 8,257.54
  4. Step 4: Simplify right side
    13,922.26x = 158,642,867.58
  5. Step 5: Solve for x
    x = 158,642,867.58/13,922.26
  6. Step 6: Final answer
    x = 11,394.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.