Home / 21,940.26-32,915.25-12,074.46

Finding the Fourth Proportional to 21,940.26, 32,915.25 and 12,074.46

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Solution

The fourth proportional to 21,940.26, 32,915.25 and 12,074.46 is: 18,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.26 : 32,915.25 = 12,074.46 : x
  2. Step 2: Convert to fraction form
    21,940.26/32,915.25 = 12,074.46/x
  3. Step 3: Cross multiply
    21,940.26x = 32,915.25 × 12,074.46
  4. Step 4: Simplify right side
    21,940.26x = 397,433,869.52
  5. Step 5: Solve for x
    x = 397,433,869.52/21,940.26
  6. Step 6: Final answer
    x = 18,114.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.