Home / 11,858.47-17,787.74-3,093.39

Finding the Fourth Proportional to 11,858.47, 17,787.74 and 3,093.39

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Solution

The fourth proportional to 11,858.47, 17,787.74 and 3,093.39 is: 4,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.47 : 17,787.74 = 3,093.39 : x
  2. Step 2: Convert to fraction form
    11,858.47/17,787.74 = 3,093.39/x
  3. Step 3: Cross multiply
    11,858.47x = 17,787.74 × 3,093.39
  4. Step 4: Simplify right side
    11,858.47x = 55,024,401.57
  5. Step 5: Solve for x
    x = 55,024,401.57/11,858.47
  6. Step 6: Final answer
    x = 4,640.09

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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.