Home / 20,179.10-30,268.67-9,083.72

Finding the Fourth Proportional to 20,179.10, 30,268.67 and 9,083.72

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Solution

The fourth proportional to 20,179.10, 30,268.67 and 9,083.72 is: 13,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.10 : 30,268.67 = 9,083.72 : x
  2. Step 2: Convert to fraction form
    20,179.10/30,268.67 = 9,083.72/x
  3. Step 3: Cross multiply
    20,179.10x = 30,268.67 × 9,083.72
  4. Step 4: Simplify right side
    20,179.10x = 274,951,926.29
  5. Step 5: Solve for x
    x = 274,951,926.29/20,179.10
  6. Step 6: Final answer
    x = 13,625.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.