Home / 7,966.94-11,950.40-2,123.55

Finding the Fourth Proportional to 7,966.94, 11,950.40 and 2,123.55

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Solution

The fourth proportional to 7,966.94, 11,950.40 and 2,123.55 is: 3,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.94 : 11,950.40 = 2,123.55 : x
  2. Step 2: Convert to fraction form
    7,966.94/11,950.40 = 2,123.55/x
  3. Step 3: Cross multiply
    7,966.94x = 11,950.40 × 2,123.55
  4. Step 4: Simplify right side
    7,966.94x = 25,377,318.69
  5. Step 5: Solve for x
    x = 25,377,318.69/7,966.94
  6. Step 6: Final answer
    x = 3,185.33

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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.