Home / 13,583.88-20,376.72-3,722.32

Finding the Fourth Proportional to 13,583.88, 20,376.72 and 3,722.32

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Solution

The fourth proportional to 13,583.88, 20,376.72 and 3,722.32 is: 5,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.88 : 20,376.72 = 3,722.32 : x
  2. Step 2: Convert to fraction form
    13,583.88/20,376.72 = 3,722.32/x
  3. Step 3: Cross multiply
    13,583.88x = 20,376.72 × 3,722.32
  4. Step 4: Simplify right side
    13,583.88x = 75,848,672.39
  5. Step 5: Solve for x
    x = 75,848,672.39/13,583.88
  6. Step 6: Final answer
    x = 5,583.73

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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.