Home / 19,968.85-29,942.03-6,634.71

Finding the Fourth Proportional to 19,968.85, 29,942.03 and 6,634.71

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Solution

The fourth proportional to 19,968.85, 29,942.03 and 6,634.71 is: 9,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.85 : 29,942.03 = 6,634.71 : x
  2. Step 2: Convert to fraction form
    19,968.85/29,942.03 = 6,634.71/x
  3. Step 3: Cross multiply
    19,968.85x = 29,942.03 × 6,634.71
  4. Step 4: Simplify right side
    19,968.85x = 198,656,685.86
  5. Step 5: Solve for x
    x = 198,656,685.86/19,968.85
  6. Step 6: Final answer
    x = 9,948.33

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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.