Home / 34,375.87-51,556.38-12,189.97

Finding the Fourth Proportional to 34,375.87, 51,556.38 and 12,189.97

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Solution

The fourth proportional to 34,375.87, 51,556.38 and 12,189.97 is: 18,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,375.87 : 51,556.38 = 12,189.97 : x
  2. Step 2: Convert to fraction form
    34,375.87/51,556.38 = 12,189.97/x
  3. Step 3: Cross multiply
    34,375.87x = 51,556.38 × 12,189.97
  4. Step 4: Simplify right side
    34,375.87x = 628,470,725.51
  5. Step 5: Solve for x
    x = 628,470,725.51/34,375.87
  6. Step 6: Final answer
    x = 18,282.32

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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.