Home / 8,682.22-13,009.68-6,712.66

Finding the Fourth Proportional to 8,682.22, 13,009.68 and 6,712.66

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Solution

The fourth proportional to 8,682.22, 13,009.68 and 6,712.66 is: 10,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.22 : 13,009.68 = 6,712.66 : x
  2. Step 2: Convert to fraction form
    8,682.22/13,009.68 = 6,712.66/x
  3. Step 3: Cross multiply
    8,682.22x = 13,009.68 × 6,712.66
  4. Step 4: Simplify right side
    8,682.22x = 87,329,558.55
  5. Step 5: Solve for x
    x = 87,329,558.55/8,682.22
  6. Step 6: Final answer
    x = 10,058.44

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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.