Home / 14,514.73-21,739.19-11,890.33

Finding the Fourth Proportional to 14,514.73, 21,739.19 and 11,890.33

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Solution

The fourth proportional to 14,514.73, 21,739.19 and 11,890.33 is: 17,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.73 : 21,739.19 = 11,890.33 : x
  2. Step 2: Convert to fraction form
    14,514.73/21,739.19 = 11,890.33/x
  3. Step 3: Cross multiply
    14,514.73x = 21,739.19 × 11,890.33
  4. Step 4: Simplify right side
    14,514.73x = 258,486,029.23
  5. Step 5: Solve for x
    x = 258,486,029.23/14,514.73
  6. Step 6: Final answer
    x = 17,808.53

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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.