Home / 13,744.67-20,616.83-3,356.51

Finding the Fourth Proportional to 13,744.67, 20,616.83 and 3,356.51

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Solution

The fourth proportional to 13,744.67, 20,616.83 and 3,356.51 is: 5,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.67 : 20,616.83 = 3,356.51 : x
  2. Step 2: Convert to fraction form
    13,744.67/20,616.83 = 3,356.51/x
  3. Step 3: Cross multiply
    13,744.67x = 20,616.83 × 3,356.51
  4. Step 4: Simplify right side
    13,744.67x = 69,200,579.28
  5. Step 5: Solve for x
    x = 69,200,579.28/13,744.67
  6. Step 6: Final answer
    x = 5,034.72

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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.