Home / 20,182.82-30,237.68-11,287.49

Finding the Fourth Proportional to 20,182.82, 30,237.68 and 11,287.49

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Solution

The fourth proportional to 20,182.82, 30,237.68 and 11,287.49 is: 16,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.82 : 30,237.68 = 11,287.49 : x
  2. Step 2: Convert to fraction form
    20,182.82/30,237.68 = 11,287.49/x
  3. Step 3: Cross multiply
    20,182.82x = 30,237.68 × 11,287.49
  4. Step 4: Simplify right side
    20,182.82x = 341,307,303.00
  5. Step 5: Solve for x
    x = 341,307,303.00/20,182.82
  6. Step 6: Final answer
    x = 16,910.79

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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.