Home / 20,010.73-27,615.87-11,514.15

Finding the Fourth Proportional to 20,010.73, 27,615.87 and 11,514.15

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Solution

The fourth proportional to 20,010.73, 27,615.87 and 11,514.15 is: 15,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.73 : 27,615.87 = 11,514.15 : x
  2. Step 2: Convert to fraction form
    20,010.73/27,615.87 = 11,514.15/x
  3. Step 3: Cross multiply
    20,010.73x = 27,615.87 × 11,514.15
  4. Step 4: Simplify right side
    20,010.73x = 317,973,131.48
  5. Step 5: Solve for x
    x = 317,973,131.48/20,010.73
  6. Step 6: Final answer
    x = 15,890.13

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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.