Home / 20,944.08-28,904.64-11,514.48

Finding the Fourth Proportional to 20,944.08, 28,904.64 and 11,514.48

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Solution

The fourth proportional to 20,944.08, 28,904.64 and 11,514.48 is: 15,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.08 : 28,904.64 = 11,514.48 : x
  2. Step 2: Convert to fraction form
    20,944.08/28,904.64 = 11,514.48/x
  3. Step 3: Cross multiply
    20,944.08x = 28,904.64 × 11,514.48
  4. Step 4: Simplify right side
    20,944.08x = 332,821,899.19
  5. Step 5: Solve for x
    x = 332,821,899.19/20,944.08
  6. Step 6: Final answer
    x = 15,890.98

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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.