Home / 11,186.50-16,779.37-2,866.59

Finding the Fourth Proportional to 11,186.50, 16,779.37 and 2,866.59

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Solution

The fourth proportional to 11,186.50, 16,779.37 and 2,866.59 is: 4,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.50 : 16,779.37 = 2,866.59 : x
  2. Step 2: Convert to fraction form
    11,186.50/16,779.37 = 2,866.59/x
  3. Step 3: Cross multiply
    11,186.50x = 16,779.37 × 2,866.59
  4. Step 4: Simplify right side
    11,186.50x = 48,099,574.25
  5. Step 5: Solve for x
    x = 48,099,574.25/11,186.50
  6. Step 6: Final answer
    x = 4,299.79

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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.