Home / 11,715.08-17,566.14-3,919.64

Finding the Fourth Proportional to 11,715.08, 17,566.14 and 3,919.64

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Solution

The fourth proportional to 11,715.08, 17,566.14 and 3,919.64 is: 5,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.08 : 17,566.14 = 3,919.64 : x
  2. Step 2: Convert to fraction form
    11,715.08/17,566.14 = 3,919.64/x
  3. Step 3: Cross multiply
    11,715.08x = 17,566.14 × 3,919.64
  4. Step 4: Simplify right side
    11,715.08x = 68,852,944.99
  5. Step 5: Solve for x
    x = 68,852,944.99/11,715.08
  6. Step 6: Final answer
    x = 5,877.29

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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.