Home / 11,755.18-16,222.14-6,449.88

Finding the Fourth Proportional to 11,755.18, 16,222.14 and 6,449.88

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Solution

The fourth proportional to 11,755.18, 16,222.14 and 6,449.88 is: 8,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.18 : 16,222.14 = 6,449.88 : x
  2. Step 2: Convert to fraction form
    11,755.18/16,222.14 = 6,449.88/x
  3. Step 3: Cross multiply
    11,755.18x = 16,222.14 × 6,449.88
  4. Step 4: Simplify right side
    11,755.18x = 104,630,856.34
  5. Step 5: Solve for x
    x = 104,630,856.34/11,755.18
  6. Step 6: Final answer
    x = 8,900.83

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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.