Home / 22,361.74-30,858.57-12,290.18

Finding the Fourth Proportional to 22,361.74, 30,858.57 and 12,290.18

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Solution

The fourth proportional to 22,361.74, 30,858.57 and 12,290.18 is: 16,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.74 : 30,858.57 = 12,290.18 : x
  2. Step 2: Convert to fraction form
    22,361.74/30,858.57 = 12,290.18/x
  3. Step 3: Cross multiply
    22,361.74x = 30,858.57 × 12,290.18
  4. Step 4: Simplify right side
    22,361.74x = 379,257,379.84
  5. Step 5: Solve for x
    x = 379,257,379.84/22,361.74
  6. Step 6: Final answer
    x = 16,960.11

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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.