Home / 12,556.06-18,834.09-4,764.87

Finding the Fourth Proportional to 12,556.06, 18,834.09 and 4,764.87

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Solution

The fourth proportional to 12,556.06, 18,834.09 and 4,764.87 is: 7,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.06 : 18,834.09 = 4,764.87 : x
  2. Step 2: Convert to fraction form
    12,556.06/18,834.09 = 4,764.87/x
  3. Step 3: Cross multiply
    12,556.06x = 18,834.09 × 4,764.87
  4. Step 4: Simplify right side
    12,556.06x = 89,741,972.55
  5. Step 5: Solve for x
    x = 89,741,972.55/12,556.06
  6. Step 6: Final answer
    x = 7,147.31

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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.