Home / 13,022.11-19,531.03-3,662.77

Finding the Fourth Proportional to 13,022.11, 19,531.03 and 3,662.77

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Solution

The fourth proportional to 13,022.11, 19,531.03 and 3,662.77 is: 5,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.11 : 19,531.03 = 3,662.77 : x
  2. Step 2: Convert to fraction form
    13,022.11/19,531.03 = 3,662.77/x
  3. Step 3: Cross multiply
    13,022.11x = 19,531.03 × 3,662.77
  4. Step 4: Simplify right side
    13,022.11x = 71,537,670.75
  5. Step 5: Solve for x
    x = 71,537,670.75/13,022.11
  6. Step 6: Final answer
    x = 5,493.55

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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.