Home / 11,148-16,723.40-4,126.83

Finding the Fourth Proportional to 11,148, 16,723.40 and 4,126.83

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Solution

The fourth proportional to 11,148, 16,723.40 and 4,126.83 is: 6,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148 : 16,723.40 = 4,126.83 : x
  2. Step 2: Convert to fraction form
    11,148/16,723.40 = 4,126.83/x
  3. Step 3: Cross multiply
    11,148x = 16,723.40 × 4,126.83
  4. Step 4: Simplify right side
    11,148x = 69,014,608.19
  5. Step 5: Solve for x
    x = 69,014,608.19/11,148
  6. Step 6: Final answer
    x = 6,190.76

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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.