Home / 12,189.06-18,283.23-6,677.37

Finding the Fourth Proportional to 12,189.06, 18,283.23 and 6,677.37

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Solution

The fourth proportional to 12,189.06, 18,283.23 and 6,677.37 is: 10,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189.06 : 18,283.23 = 6,677.37 : x
  2. Step 2: Convert to fraction form
    12,189.06/18,283.23 = 6,677.37/x
  3. Step 3: Cross multiply
    12,189.06x = 18,283.23 × 6,677.37
  4. Step 4: Simplify right side
    12,189.06x = 122,083,891.51
  5. Step 5: Solve for x
    x = 122,083,891.51/12,189.06
  6. Step 6: Final answer
    x = 10,015.86

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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.