Home / 18,538.97-25,583.79-10,581.03

Finding the Fourth Proportional to 18,538.97, 25,583.79 and 10,581.03

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Solution

The fourth proportional to 18,538.97, 25,583.79 and 10,581.03 is: 14,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.97 : 25,583.79 = 10,581.03 : x
  2. Step 2: Convert to fraction form
    18,538.97/25,583.79 = 10,581.03/x
  3. Step 3: Cross multiply
    18,538.97x = 25,583.79 × 10,581.03
  4. Step 4: Simplify right side
    18,538.97x = 270,702,849.50
  5. Step 5: Solve for x
    x = 270,702,849.50/18,538.97
  6. Step 6: Final answer
    x = 14,601.83

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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.