Home / 11,162.32-16,755.78-6,487.60

Finding the Fourth Proportional to 11,162.32, 16,755.78 and 6,487.60

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Solution

The fourth proportional to 11,162.32, 16,755.78 and 6,487.60 is: 9,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.32 : 16,755.78 = 6,487.60 : x
  2. Step 2: Convert to fraction form
    11,162.32/16,755.78 = 6,487.60/x
  3. Step 3: Cross multiply
    11,162.32x = 16,755.78 × 6,487.60
  4. Step 4: Simplify right side
    11,162.32x = 108,704,798.33
  5. Step 5: Solve for x
    x = 108,704,798.33/11,162.32
  6. Step 6: Final answer
    x = 9,738.55

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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.