Home / 15,942.88-23,919.18-7,175.44

Finding the Fourth Proportional to 15,942.88, 23,919.18 and 7,175.44

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Solution

The fourth proportional to 15,942.88, 23,919.18 and 7,175.44 is: 10,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.88 : 23,919.18 = 7,175.44 : x
  2. Step 2: Convert to fraction form
    15,942.88/23,919.18 = 7,175.44/x
  3. Step 3: Cross multiply
    15,942.88x = 23,919.18 × 7,175.44
  4. Step 4: Simplify right side
    15,942.88x = 171,630,640.94
  5. Step 5: Solve for x
    x = 171,630,640.94/15,942.88
  6. Step 6: Final answer
    x = 10,765.35

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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.