Home / 11,811.43-17,728.13-5,972.14

Finding the Fourth Proportional to 11,811.43, 17,728.13 and 5,972.14

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Solution

The fourth proportional to 11,811.43, 17,728.13 and 5,972.14 is: 8,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.43 : 17,728.13 = 5,972.14 : x
  2. Step 2: Convert to fraction form
    11,811.43/17,728.13 = 5,972.14/x
  3. Step 3: Cross multiply
    11,811.43x = 17,728.13 × 5,972.14
  4. Step 4: Simplify right side
    11,811.43x = 105,874,874.30
  5. Step 5: Solve for x
    x = 105,874,874.30/11,811.43
  6. Step 6: Final answer
    x = 8,963.76

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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.