Home / 18,146.35-27,224.16-8,790.85

Finding the Fourth Proportional to 18,146.35, 27,224.16 and 8,790.85

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Solution

The fourth proportional to 18,146.35, 27,224.16 and 8,790.85 is: 13,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.35 : 27,224.16 = 8,790.85 : x
  2. Step 2: Convert to fraction form
    18,146.35/27,224.16 = 8,790.85/x
  3. Step 3: Cross multiply
    18,146.35x = 27,224.16 × 8,790.85
  4. Step 4: Simplify right side
    18,146.35x = 239,323,506.94
  5. Step 5: Solve for x
    x = 239,323,506.94/18,146.35
  6. Step 6: Final answer
    x = 13,188.52

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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.