Home / 19,704.81-29,556.96-4,913.85

Finding the Fourth Proportional to 19,704.81, 29,556.96 and 4,913.85

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Solution

The fourth proportional to 19,704.81, 29,556.96 and 4,913.85 is: 7,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.81 : 29,556.96 = 4,913.85 : x
  2. Step 2: Convert to fraction form
    19,704.81/29,556.96 = 4,913.85/x
  3. Step 3: Cross multiply
    19,704.81x = 29,556.96 × 4,913.85
  4. Step 4: Simplify right side
    19,704.81x = 145,238,467.90
  5. Step 5: Solve for x
    x = 145,238,467.90/19,704.81
  6. Step 6: Final answer
    x = 7,370.71

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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.