Home / 20,016.25-30,005.44-8,916.82

Finding the Fourth Proportional to 20,016.25, 30,005.44 and 8,916.82

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Solution

The fourth proportional to 20,016.25, 30,005.44 and 8,916.82 is: 13,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.25 : 30,005.44 = 8,916.82 : x
  2. Step 2: Convert to fraction form
    20,016.25/30,005.44 = 8,916.82/x
  3. Step 3: Cross multiply
    20,016.25x = 30,005.44 × 8,916.82
  4. Step 4: Simplify right side
    20,016.25x = 267,553,010.20
  5. Step 5: Solve for x
    x = 267,553,010.20/20,016.25
  6. Step 6: Final answer
    x = 13,366.79

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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.