Home / 18,255.62-27,377.87-9,485.75

Finding the Fourth Proportional to 18,255.62, 27,377.87 and 9,485.75

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Solution

The fourth proportional to 18,255.62, 27,377.87 and 9,485.75 is: 14,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.62 : 27,377.87 = 9,485.75 : x
  2. Step 2: Convert to fraction form
    18,255.62/27,377.87 = 9,485.75/x
  3. Step 3: Cross multiply
    18,255.62x = 27,377.87 × 9,485.75
  4. Step 4: Simplify right side
    18,255.62x = 259,699,651.37
  5. Step 5: Solve for x
    x = 259,699,651.37/18,255.62
  6. Step 6: Final answer
    x = 14,225.74

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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.