Home / 13,817.14-20,719.62-3,954.18

Finding the Fourth Proportional to 13,817.14, 20,719.62 and 3,954.18

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Solution

The fourth proportional to 13,817.14, 20,719.62 and 3,954.18 is: 5,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.14 : 20,719.62 = 3,954.18 : x
  2. Step 2: Convert to fraction form
    13,817.14/20,719.62 = 3,954.18/x
  3. Step 3: Cross multiply
    13,817.14x = 20,719.62 × 3,954.18
  4. Step 4: Simplify right side
    13,817.14x = 81,929,003.41
  5. Step 5: Solve for x
    x = 81,929,003.41/13,817.14
  6. Step 6: Final answer
    x = 5,929.52

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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.