Home / 14,143.43-19,517.29-8,481.29

Finding the Fourth Proportional to 14,143.43, 19,517.29 and 8,481.29

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Solution

The fourth proportional to 14,143.43, 19,517.29 and 8,481.29 is: 11,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.43 : 19,517.29 = 8,481.29 : x
  2. Step 2: Convert to fraction form
    14,143.43/19,517.29 = 8,481.29/x
  3. Step 3: Cross multiply
    14,143.43x = 19,517.29 × 8,481.29
  4. Step 4: Simplify right side
    14,143.43x = 165,531,796.50
  5. Step 5: Solve for x
    x = 165,531,796.50/14,143.43
  6. Step 6: Final answer
    x = 11,703.80

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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.