Home / 18,255.58-27,376.08-7,730.44

Finding the Fourth Proportional to 18,255.58, 27,376.08 and 7,730.44

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Solution

The fourth proportional to 18,255.58, 27,376.08 and 7,730.44 is: 11,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.58 : 27,376.08 = 7,730.44 : x
  2. Step 2: Convert to fraction form
    18,255.58/27,376.08 = 7,730.44/x
  3. Step 3: Cross multiply
    18,255.58x = 27,376.08 × 7,730.44
  4. Step 4: Simplify right side
    18,255.58x = 211,629,143.88
  5. Step 5: Solve for x
    x = 211,629,143.88/18,255.58
  6. Step 6: Final answer
    x = 11,592.57

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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.