Home / 19,820.66-29,735.54-6,672.68

Finding the Fourth Proportional to 19,820.66, 29,735.54 and 6,672.68

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Solution

The fourth proportional to 19,820.66, 29,735.54 and 6,672.68 is: 10,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.66 : 29,735.54 = 6,672.68 : x
  2. Step 2: Convert to fraction form
    19,820.66/29,735.54 = 6,672.68/x
  3. Step 3: Cross multiply
    19,820.66x = 29,735.54 × 6,672.68
  4. Step 4: Simplify right side
    19,820.66x = 198,415,743.05
  5. Step 5: Solve for x
    x = 198,415,743.05/19,820.66
  6. Step 6: Final answer
    x = 10,010.55

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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.