Home / 20,944.14-28,904.67-11,514.48

Finding the Fourth Proportional to 20,944.14, 28,904.67 and 11,514.48

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Solution

The fourth proportional to 20,944.14, 28,904.67 and 11,514.48 is: 15,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.14 : 28,904.67 = 11,514.48 : x
  2. Step 2: Convert to fraction form
    20,944.14/28,904.67 = 11,514.48/x
  3. Step 3: Cross multiply
    20,944.14x = 28,904.67 × 11,514.48
  4. Step 4: Simplify right side
    20,944.14x = 332,822,244.62
  5. Step 5: Solve for x
    x = 332,822,244.62/20,944.14
  6. Step 6: Final answer
    x = 15,890.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.