Home / 19,833.22-29,749.92-6,685.70

Finding the Fourth Proportional to 19,833.22, 29,749.92 and 6,685.70

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Solution

The fourth proportional to 19,833.22, 29,749.92 and 6,685.70 is: 10,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.22 : 29,749.92 = 6,685.70 : x
  2. Step 2: Convert to fraction form
    19,833.22/29,749.92 = 6,685.70/x
  3. Step 3: Cross multiply
    19,833.22x = 29,749.92 × 6,685.70
  4. Step 4: Simplify right side
    19,833.22x = 198,899,040.14
  5. Step 5: Solve for x
    x = 198,899,040.14/19,833.22
  6. Step 6: Final answer
    x = 10,028.58

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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.