Home / 18,290.43-27,439.97-6,603.75

Finding the Fourth Proportional to 18,290.43, 27,439.97 and 6,603.75

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Solution

The fourth proportional to 18,290.43, 27,439.97 and 6,603.75 is: 9,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.43 : 27,439.97 = 6,603.75 : x
  2. Step 2: Convert to fraction form
    18,290.43/27,439.97 = 6,603.75/x
  3. Step 3: Cross multiply
    18,290.43x = 27,439.97 × 6,603.75
  4. Step 4: Simplify right side
    18,290.43x = 181,206,668.87
  5. Step 5: Solve for x
    x = 181,206,668.87/18,290.43
  6. Step 6: Final answer
    x = 9,907.18

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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.