Home / 10,709.36-16,063.56-2,811.69

Finding the Fourth Proportional to 10,709.36, 16,063.56 and 2,811.69

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Solution

The fourth proportional to 10,709.36, 16,063.56 and 2,811.69 is: 4,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.36 : 16,063.56 = 2,811.69 : x
  2. Step 2: Convert to fraction form
    10,709.36/16,063.56 = 2,811.69/x
  3. Step 3: Cross multiply
    10,709.36x = 16,063.56 × 2,811.69
  4. Step 4: Simplify right side
    10,709.36x = 45,165,814.41
  5. Step 5: Solve for x
    x = 45,165,814.41/10,709.36
  6. Step 6: Final answer
    x = 4,217.41

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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.