Home / 8,682.12-13,021.43-2,442.42

Finding the Fourth Proportional to 8,682.12, 13,021.43 and 2,442.42

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Solution

The fourth proportional to 8,682.12, 13,021.43 and 2,442.42 is: 3,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.12 : 13,021.43 = 2,442.42 : x
  2. Step 2: Convert to fraction form
    8,682.12/13,021.43 = 2,442.42/x
  3. Step 3: Cross multiply
    8,682.12x = 13,021.43 × 2,442.42
  4. Step 4: Simplify right side
    8,682.12x = 31,803,788.85
  5. Step 5: Solve for x
    x = 31,803,788.85/8,682.12
  6. Step 6: Final answer
    x = 3,663.14

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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.