Home / 20,514.59-30,827.48-11,161.52

Finding the Fourth Proportional to 20,514.59, 30,827.48 and 11,161.52

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Solution

The fourth proportional to 20,514.59, 30,827.48 and 11,161.52 is: 16,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.59 : 30,827.48 = 11,161.52 : x
  2. Step 2: Convert to fraction form
    20,514.59/30,827.48 = 11,161.52/x
  3. Step 3: Cross multiply
    20,514.59x = 30,827.48 × 11,161.52
  4. Step 4: Simplify right side
    20,514.59x = 344,081,534.57
  5. Step 5: Solve for x
    x = 344,081,534.57/20,514.59
  6. Step 6: Final answer
    x = 16,772.53

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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.