Home / 14,171.55-19,553.77-8,202.86

Finding the Fourth Proportional to 14,171.55, 19,553.77 and 8,202.86

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Solution

The fourth proportional to 14,171.55, 19,553.77 and 8,202.86 is: 11,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.55 : 19,553.77 = 8,202.86 : x
  2. Step 2: Convert to fraction form
    14,171.55/19,553.77 = 8,202.86/x
  3. Step 3: Cross multiply
    14,171.55x = 19,553.77 × 8,202.86
  4. Step 4: Simplify right side
    14,171.55x = 160,396,837.78
  5. Step 5: Solve for x
    x = 160,396,837.78/14,171.55
  6. Step 6: Final answer
    x = 11,318.23

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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.