Home / 11,135.21-16,701.24-2,814.71

Finding the Fourth Proportional to 11,135.21, 16,701.24 and 2,814.71

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Solution

The fourth proportional to 11,135.21, 16,701.24 and 2,814.71 is: 4,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.21 : 16,701.24 = 2,814.71 : x
  2. Step 2: Convert to fraction form
    11,135.21/16,701.24 = 2,814.71/x
  3. Step 3: Cross multiply
    11,135.21x = 16,701.24 × 2,814.71
  4. Step 4: Simplify right side
    11,135.21x = 47,009,105.43
  5. Step 5: Solve for x
    x = 47,009,105.43/11,135.21
  6. Step 6: Final answer
    x = 4,221.67

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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.