Home / 11,995.82-16,554.26-6,690.98

Finding the Fourth Proportional to 11,995.82, 16,554.26 and 6,690.98

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Solution

The fourth proportional to 11,995.82, 16,554.26 and 6,690.98 is: 9,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.82 : 16,554.26 = 6,690.98 : x
  2. Step 2: Convert to fraction form
    11,995.82/16,554.26 = 6,690.98/x
  3. Step 3: Cross multiply
    11,995.82x = 16,554.26 × 6,690.98
  4. Step 4: Simplify right side
    11,995.82x = 110,764,261.87
  5. Step 5: Solve for x
    x = 110,764,261.87/11,995.82
  6. Step 6: Final answer
    x = 9,233.57

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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.