Home / 9,786.14-13,504.46-5,309.81

Finding the Fourth Proportional to 9,786.14, 13,504.46 and 5,309.81

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Solution

The fourth proportional to 9,786.14, 13,504.46 and 5,309.81 is: 7,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.14 : 13,504.46 = 5,309.81 : x
  2. Step 2: Convert to fraction form
    9,786.14/13,504.46 = 5,309.81/x
  3. Step 3: Cross multiply
    9,786.14x = 13,504.46 × 5,309.81
  4. Step 4: Simplify right side
    9,786.14x = 71,706,022.68
  5. Step 5: Solve for x
    x = 71,706,022.68/9,786.14
  6. Step 6: Final answer
    x = 7,327.31

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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.