Home / 21,944.44-30,283.86-12,513.16

Finding the Fourth Proportional to 21,944.44, 30,283.86 and 12,513.16

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Solution

The fourth proportional to 21,944.44, 30,283.86 and 12,513.16 is: 17,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.44 : 30,283.86 = 12,513.16 : x
  2. Step 2: Convert to fraction form
    21,944.44/30,283.86 = 12,513.16/x
  3. Step 3: Cross multiply
    21,944.44x = 30,283.86 × 12,513.16
  4. Step 4: Simplify right side
    21,944.44x = 378,946,785.60
  5. Step 5: Solve for x
    x = 378,946,785.60/21,944.44
  6. Step 6: Final answer
    x = 17,268.46

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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.