Home / 18,186-27,283.23-5,705.34

Finding the Fourth Proportional to 18,186, 27,283.23 and 5,705.34

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Solution

The fourth proportional to 18,186, 27,283.23 and 5,705.34 is: 8,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186 : 27,283.23 = 5,705.34 : x
  2. Step 2: Convert to fraction form
    18,186/27,283.23 = 5,705.34/x
  3. Step 3: Cross multiply
    18,186x = 27,283.23 × 5,705.34
  4. Step 4: Simplify right side
    18,186x = 155,660,103.45
  5. Step 5: Solve for x
    x = 155,660,103.45/18,186
  6. Step 6: Final answer
    x = 8,559.34

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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.