Home / 21,767.97-30,040.16-12,336.33

Finding the Fourth Proportional to 21,767.97, 30,040.16 and 12,336.33

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Solution

The fourth proportional to 21,767.97, 30,040.16 and 12,336.33 is: 17,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.97 : 30,040.16 = 12,336.33 : x
  2. Step 2: Convert to fraction form
    21,767.97/30,040.16 = 12,336.33/x
  3. Step 3: Cross multiply
    21,767.97x = 30,040.16 × 12,336.33
  4. Step 4: Simplify right side
    21,767.97x = 370,585,265.33
  5. Step 5: Solve for x
    x = 370,585,265.33/21,767.97
  6. Step 6: Final answer
    x = 17,024.34

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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.