Home / 18,056.70-27,093.15-8,190.90

Finding the Fourth Proportional to 18,056.70, 27,093.15 and 8,190.90

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Solution

The fourth proportional to 18,056.70, 27,093.15 and 8,190.90 is: 12,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.70 : 27,093.15 = 8,190.90 : x
  2. Step 2: Convert to fraction form
    18,056.70/27,093.15 = 8,190.90/x
  3. Step 3: Cross multiply
    18,056.70x = 27,093.15 × 8,190.90
  4. Step 4: Simplify right side
    18,056.70x = 221,917,282.34
  5. Step 5: Solve for x
    x = 221,917,282.34/18,056.70
  6. Step 6: Final answer
    x = 12,290.02

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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.