Home / 13,622.36-20,441.44-5,724.25

Finding the Fourth Proportional to 13,622.36, 20,441.44 and 5,724.25

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Solution

The fourth proportional to 13,622.36, 20,441.44 and 5,724.25 is: 8,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.36 : 20,441.44 = 5,724.25 : x
  2. Step 2: Convert to fraction form
    13,622.36/20,441.44 = 5,724.25/x
  3. Step 3: Cross multiply
    13,622.36x = 20,441.44 × 5,724.25
  4. Step 4: Simplify right side
    13,622.36x = 117,011,913.43
  5. Step 5: Solve for x
    x = 117,011,913.43/13,622.36
  6. Step 6: Final answer
    x = 8,589.70

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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.