Home / 18,129.35-27,195.32-7,588.75

Finding the Fourth Proportional to 18,129.35, 27,195.32 and 7,588.75

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Solution

The fourth proportional to 18,129.35, 27,195.32 and 7,588.75 is: 11,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.35 : 27,195.32 = 7,588.75 : x
  2. Step 2: Convert to fraction form
    18,129.35/27,195.32 = 7,588.75/x
  3. Step 3: Cross multiply
    18,129.35x = 27,195.32 × 7,588.75
  4. Step 4: Simplify right side
    18,129.35x = 206,378,484.65
  5. Step 5: Solve for x
    x = 206,378,484.65/18,129.35
  6. Step 6: Final answer
    x = 11,383.67

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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.