Home / 22,378.19-33,556.32-13,021.47

Finding the Fourth Proportional to 22,378.19, 33,556.32 and 13,021.47

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Solution

The fourth proportional to 22,378.19, 33,556.32 and 13,021.47 is: 19,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.19 : 33,556.32 = 13,021.47 : x
  2. Step 2: Convert to fraction form
    22,378.19/33,556.32 = 13,021.47/x
  3. Step 3: Cross multiply
    22,378.19x = 33,556.32 × 13,021.47
  4. Step 4: Simplify right side
    22,378.19x = 436,952,614.19
  5. Step 5: Solve for x
    x = 436,952,614.19/22,378.19
  6. Step 6: Final answer
    x = 19,525.83

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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.