Home / 11,190.33-15,441.98-6,716.57

Finding the Fourth Proportional to 11,190.33, 15,441.98 and 6,716.57

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Solution

The fourth proportional to 11,190.33, 15,441.98 and 6,716.57 is: 9,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.33 : 15,441.98 = 6,716.57 : x
  2. Step 2: Convert to fraction form
    11,190.33/15,441.98 = 6,716.57/x
  3. Step 3: Cross multiply
    11,190.33x = 15,441.98 × 6,716.57
  4. Step 4: Simplify right side
    11,190.33x = 103,717,028.82
  5. Step 5: Solve for x
    x = 103,717,028.82/11,190.33
  6. Step 6: Final answer
    x = 9,268.45

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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.