Home / 15,412.36-23,131.26-8,019

Finding the Fourth Proportional to 15,412.36, 23,131.26 and 8,019

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Solution

The fourth proportional to 15,412.36, 23,131.26 and 8,019 is: 12,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.36 : 23,131.26 = 8,019 : x
  2. Step 2: Convert to fraction form
    15,412.36/23,131.26 = 8,019/x
  3. Step 3: Cross multiply
    15,412.36x = 23,131.26 × 8,019
  4. Step 4: Simplify right side
    15,412.36x = 185,489,573.94
  5. Step 5: Solve for x
    x = 185,489,573.94/15,412.36
  6. Step 6: Final answer
    x = 12,035.12

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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.