Home / 18,290.09-27,441.71-7,190.62

Finding the Fourth Proportional to 18,290.09, 27,441.71 and 7,190.62

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Solution

The fourth proportional to 18,290.09, 27,441.71 and 7,190.62 is: 10,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.09 : 27,441.71 = 7,190.62 : x
  2. Step 2: Convert to fraction form
    18,290.09/27,441.71 = 7,190.62/x
  3. Step 3: Cross multiply
    18,290.09x = 27,441.71 × 7,190.62
  4. Step 4: Simplify right side
    18,290.09x = 197,322,908.76
  5. Step 5: Solve for x
    x = 197,322,908.76/18,290.09
  6. Step 6: Final answer
    x = 10,788.51

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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.