Home / 13,871.79-20,804.97-11,546.73

Finding the Fourth Proportional to 13,871.79, 20,804.97 and 11,546.73

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Solution

The fourth proportional to 13,871.79, 20,804.97 and 11,546.73 is: 17,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.79 : 20,804.97 = 11,546.73 : x
  2. Step 2: Convert to fraction form
    13,871.79/20,804.97 = 11,546.73/x
  3. Step 3: Cross multiply
    13,871.79x = 20,804.97 × 11,546.73
  4. Step 4: Simplify right side
    13,871.79x = 240,229,371.25
  5. Step 5: Solve for x
    x = 240,229,371.25/13,871.79
  6. Step 6: Final answer
    x = 17,317.84

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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.