Home / 11,749.58-17,618.79-6,820.73

Finding the Fourth Proportional to 11,749.58, 17,618.79 and 6,820.73

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Solution

The fourth proportional to 11,749.58, 17,618.79 and 6,820.73 is: 10,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.58 : 17,618.79 = 6,820.73 : x
  2. Step 2: Convert to fraction form
    11,749.58/17,618.79 = 6,820.73/x
  3. Step 3: Cross multiply
    11,749.58x = 17,618.79 × 6,820.73
  4. Step 4: Simplify right side
    11,749.58x = 120,173,009.52
  5. Step 5: Solve for x
    x = 120,173,009.52/11,749.58
  6. Step 6: Final answer
    x = 10,227.86

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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.