Home / 8,682.14-13,021.56-4,235.34

Finding the Fourth Proportional to 8,682.14, 13,021.56 and 4,235.34

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Solution

The fourth proportional to 8,682.14, 13,021.56 and 4,235.34 is: 6,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.14 : 13,021.56 = 4,235.34 : x
  2. Step 2: Convert to fraction form
    8,682.14/13,021.56 = 4,235.34/x
  3. Step 3: Cross multiply
    8,682.14x = 13,021.56 × 4,235.34
  4. Step 4: Simplify right side
    8,682.14x = 55,150,733.93
  5. Step 5: Solve for x
    x = 55,150,733.93/8,682.14
  6. Step 6: Final answer
    x = 6,352.21

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1.5x scale

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.