Home / 20,152.63-27,806.34-11,198.26

Finding the Fourth Proportional to 20,152.63, 27,806.34 and 11,198.26

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Solution

The fourth proportional to 20,152.63, 27,806.34 and 11,198.26 is: 15,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.63 : 27,806.34 = 11,198.26 : x
  2. Step 2: Convert to fraction form
    20,152.63/27,806.34 = 11,198.26/x
  3. Step 3: Cross multiply
    20,152.63x = 27,806.34 × 11,198.26
  4. Step 4: Simplify right side
    20,152.63x = 311,382,624.97
  5. Step 5: Solve for x
    x = 311,382,624.97/20,152.63
  6. Step 6: Final answer
    x = 15,451.22

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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.