Home / 13,622.38-20,441.43-5,724.27

Finding the Fourth Proportional to 13,622.38, 20,441.43 and 5,724.27

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Solution

The fourth proportional to 13,622.38, 20,441.43 and 5,724.27 is: 8,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.38 : 20,441.43 = 5,724.27 : x
  2. Step 2: Convert to fraction form
    13,622.38/20,441.43 = 5,724.27/x
  3. Step 3: Cross multiply
    13,622.38x = 20,441.43 × 5,724.27
  4. Step 4: Simplify right side
    13,622.38x = 117,012,264.51
  5. Step 5: Solve for x
    x = 117,012,264.51/13,622.38
  6. Step 6: Final answer
    x = 8,589.71

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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.