Home / 20,244.92-27,937.86-11,170.76

Finding the Fourth Proportional to 20,244.92, 27,937.86 and 11,170.76

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Solution

The fourth proportional to 20,244.92, 27,937.86 and 11,170.76 is: 15,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.92 : 27,937.86 = 11,170.76 : x
  2. Step 2: Convert to fraction form
    20,244.92/27,937.86 = 11,170.76/x
  3. Step 3: Cross multiply
    20,244.92x = 27,937.86 × 11,170.76
  4. Step 4: Simplify right side
    20,244.92x = 312,087,128.97
  5. Step 5: Solve for x
    x = 312,087,128.97/20,244.92
  6. Step 6: Final answer
    x = 15,415.58

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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.