Home / 11,185.78-16,774.08-4,166.26

Finding the Fourth Proportional to 11,185.78, 16,774.08 and 4,166.26

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Solution

The fourth proportional to 11,185.78, 16,774.08 and 4,166.26 is: 6,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.78 : 16,774.08 = 4,166.26 : x
  2. Step 2: Convert to fraction form
    11,185.78/16,774.08 = 4,166.26/x
  3. Step 3: Cross multiply
    11,185.78x = 16,774.08 × 4,166.26
  4. Step 4: Simplify right side
    11,185.78x = 69,885,178.54
  5. Step 5: Solve for x
    x = 69,885,178.54/11,185.78
  6. Step 6: Final answer
    x = 6,247.68

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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.