Home / 19,169.10-28,743.92-8,771.94

Finding the Fourth Proportional to 19,169.10, 28,743.92 and 8,771.94

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Solution

The fourth proportional to 19,169.10, 28,743.92 and 8,771.94 is: 13,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.10 : 28,743.92 = 8,771.94 : x
  2. Step 2: Convert to fraction form
    19,169.10/28,743.92 = 8,771.94/x
  3. Step 3: Cross multiply
    19,169.10x = 28,743.92 × 8,771.94
  4. Step 4: Simplify right side
    19,169.10x = 252,139,941.60
  5. Step 5: Solve for x
    x = 252,139,941.60/19,169.10
  6. Step 6: Final answer
    x = 13,153.46

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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.