Home / 22,283.45-30,750.67-12,211.68

Finding the Fourth Proportional to 22,283.45, 30,750.67 and 12,211.68

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Solution

The fourth proportional to 22,283.45, 30,750.67 and 12,211.68 is: 16,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.45 : 30,750.67 = 12,211.68 : x
  2. Step 2: Convert to fraction form
    22,283.45/30,750.67 = 12,211.68/x
  3. Step 3: Cross multiply
    22,283.45x = 30,750.67 × 12,211.68
  4. Step 4: Simplify right side
    22,283.45x = 375,517,157.54
  5. Step 5: Solve for x
    x = 375,517,157.54/22,283.45
  6. Step 6: Final answer
    x = 16,851.84

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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.