Home / 20,247.03-27,943.07-11,297.64

Finding the Fourth Proportional to 20,247.03, 27,943.07 and 11,297.64

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Solution

The fourth proportional to 20,247.03, 27,943.07 and 11,297.64 is: 15,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.03 : 27,943.07 = 11,297.64 : x
  2. Step 2: Convert to fraction form
    20,247.03/27,943.07 = 11,297.64/x
  3. Step 3: Cross multiply
    20,247.03x = 27,943.07 × 11,297.64
  4. Step 4: Simplify right side
    20,247.03x = 315,690,688.87
  5. Step 5: Solve for x
    x = 315,690,688.87/20,247.03
  6. Step 6: Final answer
    x = 15,591.95

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1.5x scale

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.