Home / 13,551.23-20,327.22-3,690.69

Finding the Fourth Proportional to 13,551.23, 20,327.22 and 3,690.69

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Solution

The fourth proportional to 13,551.23, 20,327.22 and 3,690.69 is: 5,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.23 : 20,327.22 = 3,690.69 : x
  2. Step 2: Convert to fraction form
    13,551.23/20,327.22 = 3,690.69/x
  3. Step 3: Cross multiply
    13,551.23x = 20,327.22 × 3,690.69
  4. Step 4: Simplify right side
    13,551.23x = 75,021,467.58
  5. Step 5: Solve for x
    x = 75,021,467.58/13,551.23
  6. Step 6: Final answer
    x = 5,536.14

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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.