Home / 22,361.54-30,859.51-12,290.25

Finding the Fourth Proportional to 22,361.54, 30,859.51 and 12,290.25

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Solution

The fourth proportional to 22,361.54, 30,859.51 and 12,290.25 is: 16,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.54 : 30,859.51 = 12,290.25 : x
  2. Step 2: Convert to fraction form
    22,361.54/30,859.51 = 12,290.25/x
  3. Step 3: Cross multiply
    22,361.54x = 30,859.51 × 12,290.25
  4. Step 4: Simplify right side
    22,361.54x = 379,271,092.78
  5. Step 5: Solve for x
    x = 379,271,092.78/22,361.54
  6. Step 6: Final answer
    x = 16,960.87

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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.