Home / 11,961.67-16,506.75-6,656.37

Finding the Fourth Proportional to 11,961.67, 16,506.75 and 6,656.37

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Solution

The fourth proportional to 11,961.67, 16,506.75 and 6,656.37 is: 9,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.67 : 16,506.75 = 6,656.37 : x
  2. Step 2: Convert to fraction form
    11,961.67/16,506.75 = 6,656.37/x
  3. Step 3: Cross multiply
    11,961.67x = 16,506.75 × 6,656.37
  4. Step 4: Simplify right side
    11,961.67x = 109,874,952.96
  5. Step 5: Solve for x
    x = 109,874,952.96/11,961.67
  6. Step 6: Final answer
    x = 9,185.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.