Home / 9,147.44-13,716.83-4,215.62

Finding the Fourth Proportional to 9,147.44, 13,716.83 and 4,215.62

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Solution

The fourth proportional to 9,147.44, 13,716.83 and 4,215.62 is: 6,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.44 : 13,716.83 = 4,215.62 : x
  2. Step 2: Convert to fraction form
    9,147.44/13,716.83 = 4,215.62/x
  3. Step 3: Cross multiply
    9,147.44x = 13,716.83 × 4,215.62
  4. Step 4: Simplify right side
    9,147.44x = 57,824,853.22
  5. Step 5: Solve for x
    x = 57,824,853.22/9,147.44
  6. Step 6: Final answer
    x = 6,321.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.