Home / 18,290.70-27,431.94-10,897.26

Finding the Fourth Proportional to 18,290.70, 27,431.94 and 10,897.26

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Solution

The fourth proportional to 18,290.70, 27,431.94 and 10,897.26 is: 16,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.70 : 27,431.94 = 10,897.26 : x
  2. Step 2: Convert to fraction form
    18,290.70/27,431.94 = 10,897.26/x
  3. Step 3: Cross multiply
    18,290.70x = 27,431.94 × 10,897.26
  4. Step 4: Simplify right side
    18,290.70x = 298,932,982.48
  5. Step 5: Solve for x
    x = 298,932,982.48/18,290.70
  6. Step 6: Final answer
    x = 16,343.44

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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.