Home / 14,391.54-19,863.12-8,103.96

Finding the Fourth Proportional to 14,391.54, 19,863.12 and 8,103.96

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Solution

The fourth proportional to 14,391.54, 19,863.12 and 8,103.96 is: 11,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.54 : 19,863.12 = 8,103.96 : x
  2. Step 2: Convert to fraction form
    14,391.54/19,863.12 = 8,103.96/x
  3. Step 3: Cross multiply
    14,391.54x = 19,863.12 × 8,103.96
  4. Step 4: Simplify right side
    14,391.54x = 160,969,929.96
  5. Step 5: Solve for x
    x = 160,969,929.96/14,391.54
  6. Step 6: Final answer
    x = 11,185.04

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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.