Home / 21,944.69-30,284.21-12,513.41

Finding the Fourth Proportional to 21,944.69, 30,284.21 and 12,513.41

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Solution

The fourth proportional to 21,944.69, 30,284.21 and 12,513.41 is: 17,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.69 : 30,284.21 = 12,513.41 : x
  2. Step 2: Convert to fraction form
    21,944.69/30,284.21 = 12,513.41/x
  3. Step 3: Cross multiply
    21,944.69x = 30,284.21 × 12,513.41
  4. Step 4: Simplify right side
    21,944.69x = 378,958,736.26
  5. Step 5: Solve for x
    x = 378,958,736.26/21,944.69
  6. Step 6: Final answer
    x = 17,268.81

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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.