Home / 20,146.54-27,800.94-11,193.88

Finding the Fourth Proportional to 20,146.54, 27,800.94 and 11,193.88

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Solution

The fourth proportional to 20,146.54, 27,800.94 and 11,193.88 is: 15,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.54 : 27,800.94 = 11,193.88 : x
  2. Step 2: Convert to fraction form
    20,146.54/27,800.94 = 11,193.88/x
  3. Step 3: Cross multiply
    20,146.54x = 27,800.94 × 11,193.88
  4. Step 4: Simplify right side
    20,146.54x = 311,200,386.25
  5. Step 5: Solve for x
    x = 311,200,386.25/20,146.54
  6. Step 6: Final answer
    x = 15,446.84

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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.