Home / 13,844.73-20,767.11-3,981.72

Finding the Fourth Proportional to 13,844.73, 20,767.11 and 3,981.72

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Solution

The fourth proportional to 13,844.73, 20,767.11 and 3,981.72 is: 5,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.73 : 20,767.11 = 3,981.72 : x
  2. Step 2: Convert to fraction form
    13,844.73/20,767.11 = 3,981.72/x
  3. Step 3: Cross multiply
    13,844.73x = 20,767.11 × 3,981.72
  4. Step 4: Simplify right side
    13,844.73x = 82,688,817.23
  5. Step 5: Solve for x
    x = 82,688,817.23/13,844.73
  6. Step 6: Final answer
    x = 5,972.58

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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.