Home / 11,657.07-16,086.86-6,351.98

Finding the Fourth Proportional to 11,657.07, 16,086.86 and 6,351.98

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Solution

The fourth proportional to 11,657.07, 16,086.86 and 6,351.98 is: 8,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.07 : 16,086.86 = 6,351.98 : x
  2. Step 2: Convert to fraction form
    11,657.07/16,086.86 = 6,351.98/x
  3. Step 3: Cross multiply
    11,657.07x = 16,086.86 × 6,351.98
  4. Step 4: Simplify right side
    11,657.07x = 102,183,300.79
  5. Step 5: Solve for x
    x = 102,183,300.79/11,657.07
  6. Step 6: Final answer
    x = 8,765.78

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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.