Home / 16,871.13-25,322.11-8,556.89

Finding the Fourth Proportional to 16,871.13, 25,322.11 and 8,556.89

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Solution

The fourth proportional to 16,871.13, 25,322.11 and 8,556.89 is: 12,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.13 : 25,322.11 = 8,556.89 : x
  2. Step 2: Convert to fraction form
    16,871.13/25,322.11 = 8,556.89/x
  3. Step 3: Cross multiply
    16,871.13x = 25,322.11 × 8,556.89
  4. Step 4: Simplify right side
    16,871.13x = 216,678,361.84
  5. Step 5: Solve for x
    x = 216,678,361.84/16,871.13
  6. Step 6: Final answer
    x = 12,843.14

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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.