Home / 14,517.21-20,028.83-11,152.65

Finding the Fourth Proportional to 14,517.21, 20,028.83 and 11,152.65

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Solution

The fourth proportional to 14,517.21, 20,028.83 and 11,152.65 is: 15,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.21 : 20,028.83 = 11,152.65 : x
  2. Step 2: Convert to fraction form
    14,517.21/20,028.83 = 11,152.65/x
  3. Step 3: Cross multiply
    14,517.21x = 20,028.83 × 11,152.65
  4. Step 4: Simplify right side
    14,517.21x = 223,374,530.90
  5. Step 5: Solve for x
    x = 223,374,530.90/14,517.21
  6. Step 6: Final answer
    x = 15,386.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.