Home / 12,028.39-18,042.18-4,237

Finding the Fourth Proportional to 12,028.39, 18,042.18 and 4,237

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Solution

The fourth proportional to 12,028.39, 18,042.18 and 4,237 is: 6,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.39 : 18,042.18 = 4,237 : x
  2. Step 2: Convert to fraction form
    12,028.39/18,042.18 = 4,237/x
  3. Step 3: Cross multiply
    12,028.39x = 18,042.18 × 4,237
  4. Step 4: Simplify right side
    12,028.39x = 76,444,716.66
  5. Step 5: Solve for x
    x = 76,444,716.66/12,028.39
  6. Step 6: Final answer
    x = 6,355.36

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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.