Home / 13,893.41-19,171.70-8,227.14

Finding the Fourth Proportional to 13,893.41, 19,171.70 and 8,227.14

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Solution

The fourth proportional to 13,893.41, 19,171.70 and 8,227.14 is: 11,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.41 : 19,171.70 = 8,227.14 : x
  2. Step 2: Convert to fraction form
    13,893.41/19,171.70 = 8,227.14/x
  3. Step 3: Cross multiply
    13,893.41x = 19,171.70 × 8,227.14
  4. Step 4: Simplify right side
    13,893.41x = 157,728,218.80
  5. Step 5: Solve for x
    x = 157,728,218.80/13,893.41
  6. Step 6: Final answer
    x = 11,352.74

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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.