Home / 13,734.82-18,944.04-8,699.86

Finding the Fourth Proportional to 13,734.82, 18,944.04 and 8,699.86

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Solution

The fourth proportional to 13,734.82, 18,944.04 and 8,699.86 is: 11,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.82 : 18,944.04 = 8,699.86 : x
  2. Step 2: Convert to fraction form
    13,734.82/18,944.04 = 8,699.86/x
  3. Step 3: Cross multiply
    13,734.82x = 18,944.04 × 8,699.86
  4. Step 4: Simplify right side
    13,734.82x = 164,810,495.83
  5. Step 5: Solve for x
    x = 164,810,495.83/13,734.82
  6. Step 6: Final answer
    x = 11,999.47

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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.