Home / 11,890.06-16,406.96-6,583.55

Finding the Fourth Proportional to 11,890.06, 16,406.96 and 6,583.55

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Solution

The fourth proportional to 11,890.06, 16,406.96 and 6,583.55 is: 9,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.06 : 16,406.96 = 6,583.55 : x
  2. Step 2: Convert to fraction form
    11,890.06/16,406.96 = 6,583.55/x
  3. Step 3: Cross multiply
    11,890.06x = 16,406.96 × 6,583.55
  4. Step 4: Simplify right side
    11,890.06x = 108,015,926.56
  5. Step 5: Solve for x
    x = 108,015,926.56/11,890.06
  6. Step 6: Final answer
    x = 9,084.56

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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.