Home / 11,259.72-16,871.36-6,863.85

Finding the Fourth Proportional to 11,259.72, 16,871.36 and 6,863.85

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Solution

The fourth proportional to 11,259.72, 16,871.36 and 6,863.85 is: 10,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.72 : 16,871.36 = 6,863.85 : x
  2. Step 2: Convert to fraction form
    11,259.72/16,871.36 = 6,863.85/x
  3. Step 3: Cross multiply
    11,259.72x = 16,871.36 × 6,863.85
  4. Step 4: Simplify right side
    11,259.72x = 115,802,450.02
  5. Step 5: Solve for x
    x = 115,802,450.02/11,259.72
  6. Step 6: Final answer
    x = 10,284.67

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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.