Home / 12,028.80-18,043.20-3,263.70

Finding the Fourth Proportional to 12,028.80, 18,043.20 and 3,263.70

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Solution

The fourth proportional to 12,028.80, 18,043.20 and 3,263.70 is: 4,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.80 : 18,043.20 = 3,263.70 : x
  2. Step 2: Convert to fraction form
    12,028.80/18,043.20 = 3,263.70/x
  3. Step 3: Cross multiply
    12,028.80x = 18,043.20 × 3,263.70
  4. Step 4: Simplify right side
    12,028.80x = 58,887,591.84
  5. Step 5: Solve for x
    x = 58,887,591.84/12,028.80
  6. Step 6: Final answer
    x = 4,895.55

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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.