Home / 18,187.26-27,279.66-7,091.88

Finding the Fourth Proportional to 18,187.26, 27,279.66 and 7,091.88

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Solution

The fourth proportional to 18,187.26, 27,279.66 and 7,091.88 is: 10,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.26 : 27,279.66 = 7,091.88 : x
  2. Step 2: Convert to fraction form
    18,187.26/27,279.66 = 7,091.88/x
  3. Step 3: Cross multiply
    18,187.26x = 27,279.66 × 7,091.88
  4. Step 4: Simplify right side
    18,187.26x = 193,464,075.16
  5. Step 5: Solve for x
    x = 193,464,075.16/18,187.26
  6. Step 6: Final answer
    x = 10,637.34

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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.