Home / 12,028.20-18,042.38-4,237.16

Finding the Fourth Proportional to 12,028.20, 18,042.38 and 4,237.16

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Solution

The fourth proportional to 12,028.20, 18,042.38 and 4,237.16 is: 6,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.20 : 18,042.38 = 4,237.16 : x
  2. Step 2: Convert to fraction form
    12,028.20/18,042.38 = 4,237.16/x
  3. Step 3: Cross multiply
    12,028.20x = 18,042.38 × 4,237.16
  4. Step 4: Simplify right side
    12,028.20x = 76,448,450.84
  5. Step 5: Solve for x
    x = 76,448,450.84/12,028.20
  6. Step 6: Final answer
    x = 6,355.77

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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.