Home / 11,022.75-15,211.35-5,986.93

Finding the Fourth Proportional to 11,022.75, 15,211.35 and 5,986.93

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Solution

The fourth proportional to 11,022.75, 15,211.35 and 5,986.93 is: 8,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.75 : 15,211.35 = 5,986.93 : x
  2. Step 2: Convert to fraction form
    11,022.75/15,211.35 = 5,986.93/x
  3. Step 3: Cross multiply
    11,022.75x = 15,211.35 × 5,986.93
  4. Step 4: Simplify right side
    11,022.75x = 91,069,287.66
  5. Step 5: Solve for x
    x = 91,069,287.66/11,022.75
  6. Step 6: Final answer
    x = 8,261.94

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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.