Home / 20,264.07-27,964.49-11,311.41

Finding the Fourth Proportional to 20,264.07, 27,964.49 and 11,311.41

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Solution

The fourth proportional to 20,264.07, 27,964.49 and 11,311.41 is: 15,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.07 : 27,964.49 = 11,311.41 : x
  2. Step 2: Convert to fraction form
    20,264.07/27,964.49 = 11,311.41/x
  3. Step 3: Cross multiply
    20,264.07x = 27,964.49 × 11,311.41
  4. Step 4: Simplify right side
    20,264.07x = 316,317,755.27
  5. Step 5: Solve for x
    x = 316,317,755.27/20,264.07
  6. Step 6: Final answer
    x = 15,609.78

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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.