Home / 22,379.80-33,556.92-9,216.52

Finding the Fourth Proportional to 22,379.80, 33,556.92 and 9,216.52

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Solution

The fourth proportional to 22,379.80, 33,556.92 and 9,216.52 is: 13,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.80 : 33,556.92 = 9,216.52 : x
  2. Step 2: Convert to fraction form
    22,379.80/33,556.92 = 9,216.52/x
  3. Step 3: Cross multiply
    22,379.80x = 33,556.92 × 9,216.52
  4. Step 4: Simplify right side
    22,379.80x = 309,278,024.32
  5. Step 5: Solve for x
    x = 309,278,024.32/22,379.80
  6. Step 6: Final answer
    x = 13,819.52

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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.