Home / 12,556.76-18,841.26-5,163.44

Finding the Fourth Proportional to 12,556.76, 18,841.26 and 5,163.44

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Solution

The fourth proportional to 12,556.76, 18,841.26 and 5,163.44 is: 7,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.76 : 18,841.26 = 5,163.44 : x
  2. Step 2: Convert to fraction form
    12,556.76/18,841.26 = 5,163.44/x
  3. Step 3: Cross multiply
    12,556.76x = 18,841.26 × 5,163.44
  4. Step 4: Simplify right side
    12,556.76x = 97,285,715.53
  5. Step 5: Solve for x
    x = 97,285,715.53/12,556.76
  6. Step 6: Final answer
    x = 7,747.68

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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.