Home / 9,847.09-13,584.30-6,661.51

Finding the Fourth Proportional to 9,847.09, 13,584.30 and 6,661.51

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Solution

The fourth proportional to 9,847.09, 13,584.30 and 6,661.51 is: 9,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.09 : 13,584.30 = 6,661.51 : x
  2. Step 2: Convert to fraction form
    9,847.09/13,584.30 = 6,661.51/x
  3. Step 3: Cross multiply
    9,847.09x = 13,584.30 × 6,661.51
  4. Step 4: Simplify right side
    9,847.09x = 90,491,891.35
  5. Step 5: Solve for x
    x = 90,491,891.35/9,847.09
  6. Step 6: Final answer
    x = 9,189.71

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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.