Home / 11,811.36-17,715.16-3,045.96

Finding the Fourth Proportional to 11,811.36, 17,715.16 and 3,045.96

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Solution

The fourth proportional to 11,811.36, 17,715.16 and 3,045.96 is: 4,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.36 : 17,715.16 = 3,045.96 : x
  2. Step 2: Convert to fraction form
    11,811.36/17,715.16 = 3,045.96/x
  3. Step 3: Cross multiply
    11,811.36x = 17,715.16 × 3,045.96
  4. Step 4: Simplify right side
    11,811.36x = 53,959,668.75
  5. Step 5: Solve for x
    x = 53,959,668.75/11,811.36
  6. Step 6: Final answer
    x = 4,568.46

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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.