Home / 13,197.39-18,212.46-9,843.18

Finding the Fourth Proportional to 13,197.39, 18,212.46 and 9,843.18

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Solution

The fourth proportional to 13,197.39, 18,212.46 and 9,843.18 is: 13,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.39 : 18,212.46 = 9,843.18 : x
  2. Step 2: Convert to fraction form
    13,197.39/18,212.46 = 9,843.18/x
  3. Step 3: Cross multiply
    13,197.39x = 18,212.46 × 9,843.18
  4. Step 4: Simplify right side
    13,197.39x = 179,268,522.02
  5. Step 5: Solve for x
    x = 179,268,522.02/13,197.39
  6. Step 6: Final answer
    x = 13,583.63

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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.