Home / 11,418.98-17,128.54-4,023.57

Finding the Fourth Proportional to 11,418.98, 17,128.54 and 4,023.57

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Solution

The fourth proportional to 11,418.98, 17,128.54 and 4,023.57 is: 6,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.98 : 17,128.54 = 4,023.57 : x
  2. Step 2: Convert to fraction form
    11,418.98/17,128.54 = 4,023.57/x
  3. Step 3: Cross multiply
    11,418.98x = 17,128.54 × 4,023.57
  4. Step 4: Simplify right side
    11,418.98x = 68,917,937.63
  5. Step 5: Solve for x
    x = 68,917,937.63/11,418.98
  6. Step 6: Final answer
    x = 6,035.39

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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.