Home / 13,622.33-20,394.51-9,231.98

Finding the Fourth Proportional to 13,622.33, 20,394.51 and 9,231.98

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Solution

The fourth proportional to 13,622.33, 20,394.51 and 9,231.98 is: 13,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.33 : 20,394.51 = 9,231.98 : x
  2. Step 2: Convert to fraction form
    13,622.33/20,394.51 = 9,231.98/x
  3. Step 3: Cross multiply
    13,622.33x = 20,394.51 × 9,231.98
  4. Step 4: Simplify right side
    13,622.33x = 188,281,708.43
  5. Step 5: Solve for x
    x = 188,281,708.43/13,622.33
  6. Step 6: Final answer
    x = 13,821.55

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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.