Home / 9,786.06-13,504.68-5,309.80

Finding the Fourth Proportional to 9,786.06, 13,504.68 and 5,309.80

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Solution

The fourth proportional to 9,786.06, 13,504.68 and 5,309.80 is: 7,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.06 : 13,504.68 = 5,309.80 : x
  2. Step 2: Convert to fraction form
    9,786.06/13,504.68 = 5,309.80/x
  3. Step 3: Cross multiply
    9,786.06x = 13,504.68 × 5,309.80
  4. Step 4: Simplify right side
    9,786.06x = 71,707,149.86
  5. Step 5: Solve for x
    x = 71,707,149.86/9,786.06
  6. Step 6: Final answer
    x = 7,327.48

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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.