Home / 13,738-18,958.44-8,150.08

Finding the Fourth Proportional to 13,738, 18,958.44 and 8,150.08

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Solution

The fourth proportional to 13,738, 18,958.44 and 8,150.08 is: 11,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738 : 18,958.44 = 8,150.08 : x
  2. Step 2: Convert to fraction form
    13,738/18,958.44 = 8,150.08/x
  3. Step 3: Cross multiply
    13,738x = 18,958.44 × 8,150.08
  4. Step 4: Simplify right side
    13,738x = 154,512,802.68
  5. Step 5: Solve for x
    x = 154,512,802.68/13,738
  6. Step 6: Final answer
    x = 11,247.11

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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.