Home / 12,137.07-18,206.39-3,817.41

Finding the Fourth Proportional to 12,137.07, 18,206.39 and 3,817.41

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Solution

The fourth proportional to 12,137.07, 18,206.39 and 3,817.41 is: 5,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.07 : 18,206.39 = 3,817.41 : x
  2. Step 2: Convert to fraction form
    12,137.07/18,206.39 = 3,817.41/x
  3. Step 3: Cross multiply
    12,137.07x = 18,206.39 × 3,817.41
  4. Step 4: Simplify right side
    12,137.07x = 69,501,255.25
  5. Step 5: Solve for x
    x = 69,501,255.25/12,137.07
  6. Step 6: Final answer
    x = 5,726.36

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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.