Home / 9,144.47-13,716.70-2,218.97

Finding the Fourth Proportional to 9,144.47, 13,716.70 and 2,218.97

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Solution

The fourth proportional to 9,144.47, 13,716.70 and 2,218.97 is: 3,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.47 : 13,716.70 = 2,218.97 : x
  2. Step 2: Convert to fraction form
    9,144.47/13,716.70 = 2,218.97/x
  3. Step 3: Cross multiply
    9,144.47x = 13,716.70 × 2,218.97
  4. Step 4: Simplify right side
    9,144.47x = 30,436,945.80
  5. Step 5: Solve for x
    x = 30,436,945.80/9,144.47
  6. Step 6: Final answer
    x = 3,328.45

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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.