Home / 17,105.44-23,592.72-11,515.36

Finding the Fourth Proportional to 17,105.44, 23,592.72 and 11,515.36

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Solution

The fourth proportional to 17,105.44, 23,592.72 and 11,515.36 is: 15,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,105.44 : 23,592.72 = 11,515.36 : x
  2. Step 2: Convert to fraction form
    17,105.44/23,592.72 = 11,515.36/x
  3. Step 3: Cross multiply
    17,105.44x = 23,592.72 × 11,515.36
  4. Step 4: Simplify right side
    17,105.44x = 271,678,664.18
  5. Step 5: Solve for x
    x = 271,678,664.18/17,105.44
  6. Step 6: Final answer
    x = 15,882.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.