Home / 16,871.05-25,322.01-8,556.81

Finding the Fourth Proportional to 16,871.05, 25,322.01 and 8,556.81

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Solution

The fourth proportional to 16,871.05, 25,322.01 and 8,556.81 is: 12,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.05 : 25,322.01 = 8,556.81 : x
  2. Step 2: Convert to fraction form
    16,871.05/25,322.01 = 8,556.81/x
  3. Step 3: Cross multiply
    16,871.05x = 25,322.01 × 8,556.81
  4. Step 4: Simplify right side
    16,871.05x = 216,675,458.99
  5. Step 5: Solve for x
    x = 216,675,458.99/16,871.05
  6. Step 6: Final answer
    x = 12,843.03

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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.