Home / 9,847.22-13,584.47-6,661.63

Finding the Fourth Proportional to 9,847.22, 13,584.47 and 6,661.63

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Solution

The fourth proportional to 9,847.22, 13,584.47 and 6,661.63 is: 9,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.22 : 13,584.47 = 6,661.63 : x
  2. Step 2: Convert to fraction form
    9,847.22/13,584.47 = 6,661.63/x
  3. Step 3: Cross multiply
    9,847.22x = 13,584.47 × 6,661.63
  4. Step 4: Simplify right side
    9,847.22x = 90,494,611.66
  5. Step 5: Solve for x
    x = 90,494,611.66/9,847.22
  6. Step 6: Final answer
    x = 9,189.86

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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.