Home / 13,914.82-19,202.16-7,626.79

Finding the Fourth Proportional to 13,914.82, 19,202.16 and 7,626.79

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Solution

The fourth proportional to 13,914.82, 19,202.16 and 7,626.79 is: 10,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.82 : 19,202.16 = 7,626.79 : x
  2. Step 2: Convert to fraction form
    13,914.82/19,202.16 = 7,626.79/x
  3. Step 3: Cross multiply
    13,914.82x = 19,202.16 × 7,626.79
  4. Step 4: Simplify right side
    13,914.82x = 146,450,841.87
  5. Step 5: Solve for x
    x = 146,450,841.87/13,914.82
  6. Step 6: Final answer
    x = 10,524.81

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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.