Home / 18,027.76-27,042.39-6,189.67

Finding the Fourth Proportional to 18,027.76, 27,042.39 and 6,189.67

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Solution

The fourth proportional to 18,027.76, 27,042.39 and 6,189.67 is: 9,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.76 : 27,042.39 = 6,189.67 : x
  2. Step 2: Convert to fraction form
    18,027.76/27,042.39 = 6,189.67/x
  3. Step 3: Cross multiply
    18,027.76x = 27,042.39 × 6,189.67
  4. Step 4: Simplify right side
    18,027.76x = 167,383,470.11
  5. Step 5: Solve for x
    x = 167,383,470.11/18,027.76
  6. Step 6: Final answer
    x = 9,284.76

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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.