Home / 11,744.34-17,620.70-5,169.71

Finding the Fourth Proportional to 11,744.34, 17,620.70 and 5,169.71

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Solution

The fourth proportional to 11,744.34, 17,620.70 and 5,169.71 is: 7,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.34 : 17,620.70 = 5,169.71 : x
  2. Step 2: Convert to fraction form
    11,744.34/17,620.70 = 5,169.71/x
  3. Step 3: Cross multiply
    11,744.34x = 17,620.70 × 5,169.71
  4. Step 4: Simplify right side
    11,744.34x = 91,093,795.04
  5. Step 5: Solve for x
    x = 91,093,795.04/11,744.34
  6. Step 6: Final answer
    x = 7,756.40

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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.