Home / 13,257.44-19,965.08-11,546.72

Finding the Fourth Proportional to 13,257.44, 19,965.08 and 11,546.72

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Solution

The fourth proportional to 13,257.44, 19,965.08 and 11,546.72 is: 17,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.44 : 19,965.08 = 11,546.72 : x
  2. Step 2: Convert to fraction form
    13,257.44/19,965.08 = 11,546.72/x
  3. Step 3: Cross multiply
    13,257.44x = 19,965.08 × 11,546.72
  4. Step 4: Simplify right side
    13,257.44x = 230,531,188.54
  5. Step 5: Solve for x
    x = 230,531,188.54/13,257.44
  6. Step 6: Final answer
    x = 17,388.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.