Home / 11,110.56-16,668.18-4,185

Finding the Fourth Proportional to 11,110.56, 16,668.18 and 4,185

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Solution

The fourth proportional to 11,110.56, 16,668.18 and 4,185 is: 6,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.56 : 16,668.18 = 4,185 : x
  2. Step 2: Convert to fraction form
    11,110.56/16,668.18 = 4,185/x
  3. Step 3: Cross multiply
    11,110.56x = 16,668.18 × 4,185
  4. Step 4: Simplify right side
    11,110.56x = 69,756,333.30
  5. Step 5: Solve for x
    x = 69,756,333.30/11,110.56
  6. Step 6: Final answer
    x = 6,278.38

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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.