Home / 11,986.98-16,537.14-7,955.70

Finding the Fourth Proportional to 11,986.98, 16,537.14 and 7,955.70

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Solution

The fourth proportional to 11,986.98, 16,537.14 and 7,955.70 is: 10,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.98 : 16,537.14 = 7,955.70 : x
  2. Step 2: Convert to fraction form
    11,986.98/16,537.14 = 7,955.70/x
  3. Step 3: Cross multiply
    11,986.98x = 16,537.14 × 7,955.70
  4. Step 4: Simplify right side
    11,986.98x = 131,564,524.70
  5. Step 5: Solve for x
    x = 131,564,524.70/11,986.98
  6. Step 6: Final answer
    x = 10,975.62

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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.