Home / 22,283.57-30,750.84-12,211.80

Finding the Fourth Proportional to 22,283.57, 30,750.84 and 12,211.80

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Solution

The fourth proportional to 22,283.57, 30,750.84 and 12,211.80 is: 16,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.57 : 30,750.84 = 12,211.80 : x
  2. Step 2: Convert to fraction form
    22,283.57/30,750.84 = 12,211.80/x
  3. Step 3: Cross multiply
    22,283.57x = 30,750.84 × 12,211.80
  4. Step 4: Simplify right side
    22,283.57x = 375,522,992.60
  5. Step 5: Solve for x
    x = 375,522,992.60/22,283.57
  6. Step 6: Final answer
    x = 16,852.01

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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.