Home / 11,790.70-17,687.67-5,947.90

Finding the Fourth Proportional to 11,790.70, 17,687.67 and 5,947.90

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Solution

The fourth proportional to 11,790.70, 17,687.67 and 5,947.90 is: 8,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.70 : 17,687.67 = 5,947.90 : x
  2. Step 2: Convert to fraction form
    11,790.70/17,687.67 = 5,947.90/x
  3. Step 3: Cross multiply
    11,790.70x = 17,687.67 × 5,947.90
  4. Step 4: Simplify right side
    11,790.70x = 105,204,492.39
  5. Step 5: Solve for x
    x = 105,204,492.39/11,790.70
  6. Step 6: Final answer
    x = 8,922.67

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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.