Home / 22,283.33-30,750.49-12,211.55

Finding the Fourth Proportional to 22,283.33, 30,750.49 and 12,211.55

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Solution

The fourth proportional to 22,283.33, 30,750.49 and 12,211.55 is: 16,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.33 : 30,750.49 = 12,211.55 : x
  2. Step 2: Convert to fraction form
    22,283.33/30,750.49 = 12,211.55/x
  3. Step 3: Cross multiply
    22,283.33x = 30,750.49 × 12,211.55
  4. Step 4: Simplify right side
    22,283.33x = 375,511,146.16
  5. Step 5: Solve for x
    x = 375,511,146.16/22,283.33
  6. Step 6: Final answer
    x = 16,851.66

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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.