Home / 18,206.36-27,310.08-7,112.60

Finding the Fourth Proportional to 18,206.36, 27,310.08 and 7,112.60

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Solution

The fourth proportional to 18,206.36, 27,310.08 and 7,112.60 is: 10,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.36 : 27,310.08 = 7,112.60 : x
  2. Step 2: Convert to fraction form
    18,206.36/27,310.08 = 7,112.60/x
  3. Step 3: Cross multiply
    18,206.36x = 27,310.08 × 7,112.60
  4. Step 4: Simplify right side
    18,206.36x = 194,245,675.01
  5. Step 5: Solve for x
    x = 194,245,675.01/18,206.36
  6. Step 6: Final answer
    x = 10,669.11

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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.