Home / 17,945.78-26,923.17-10,556.42

Finding the Fourth Proportional to 17,945.78, 26,923.17 and 10,556.42

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Solution

The fourth proportional to 17,945.78, 26,923.17 and 10,556.42 is: 15,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.78 : 26,923.17 = 10,556.42 : x
  2. Step 2: Convert to fraction form
    17,945.78/26,923.17 = 10,556.42/x
  3. Step 3: Cross multiply
    17,945.78x = 26,923.17 × 10,556.42
  4. Step 4: Simplify right side
    17,945.78x = 284,212,290.25
  5. Step 5: Solve for x
    x = 284,212,290.25/17,945.78
  6. Step 6: Final answer
    x = 15,837.28

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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.