Home / 18,061.10-27,083.55-8,195.30

Finding the Fourth Proportional to 18,061.10, 27,083.55 and 8,195.30

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Solution

The fourth proportional to 18,061.10, 27,083.55 and 8,195.30 is: 12,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.10 : 27,083.55 = 8,195.30 : x
  2. Step 2: Convert to fraction form
    18,061.10/27,083.55 = 8,195.30/x
  3. Step 3: Cross multiply
    18,061.10x = 27,083.55 × 8,195.30
  4. Step 4: Simplify right side
    18,061.10x = 221,957,817.32
  5. Step 5: Solve for x
    x = 221,957,817.32/18,061.10
  6. Step 6: Final answer
    x = 12,289.27

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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.