Home / 11,826.12-16,319.21-6,520.82

Finding the Fourth Proportional to 11,826.12, 16,319.21 and 6,520.82

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Solution

The fourth proportional to 11,826.12, 16,319.21 and 6,520.82 is: 8,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.12 : 16,319.21 = 6,520.82 : x
  2. Step 2: Convert to fraction form
    11,826.12/16,319.21 = 6,520.82/x
  3. Step 3: Cross multiply
    11,826.12x = 16,319.21 × 6,520.82
  4. Step 4: Simplify right side
    11,826.12x = 106,414,636.06
  5. Step 5: Solve for x
    x = 106,414,636.06/11,826.12
  6. Step 6: Final answer
    x = 8,998.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.