Home / 11,186.63-16,778.69-2,866.71

Finding the Fourth Proportional to 11,186.63, 16,778.69 and 2,866.71

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Solution

The fourth proportional to 11,186.63, 16,778.69 and 2,866.71 is: 4,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.63 : 16,778.69 = 2,866.71 : x
  2. Step 2: Convert to fraction form
    11,186.63/16,778.69 = 2,866.71/x
  3. Step 3: Cross multiply
    11,186.63x = 16,778.69 × 2,866.71
  4. Step 4: Simplify right side
    11,186.63x = 48,099,638.41
  5. Step 5: Solve for x
    x = 48,099,638.41/11,186.63
  6. Step 6: Final answer
    x = 4,299.74

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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.