Home / 11,789.46-17,685.44-3,889.67

Finding the Fourth Proportional to 11,789.46, 17,685.44 and 3,889.67

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Solution

The fourth proportional to 11,789.46, 17,685.44 and 3,889.67 is: 5,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.46 : 17,685.44 = 3,889.67 : x
  2. Step 2: Convert to fraction form
    11,789.46/17,685.44 = 3,889.67/x
  3. Step 3: Cross multiply
    11,789.46x = 17,685.44 × 3,889.67
  4. Step 4: Simplify right side
    11,789.46x = 68,790,417.53
  5. Step 5: Solve for x
    x = 68,790,417.53/11,789.46
  6. Step 6: Final answer
    x = 5,834.91

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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.