Home / 12,748.54-19,054.46-11,496.28

Finding the Fourth Proportional to 12,748.54, 19,054.46 and 11,496.28

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Solution

The fourth proportional to 12,748.54, 19,054.46 and 11,496.28 is: 17,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.54 : 19,054.46 = 11,496.28 : x
  2. Step 2: Convert to fraction form
    12,748.54/19,054.46 = 11,496.28/x
  3. Step 3: Cross multiply
    12,748.54x = 19,054.46 × 11,496.28
  4. Step 4: Simplify right side
    12,748.54x = 219,055,407.41
  5. Step 5: Solve for x
    x = 219,055,407.41/12,748.54
  6. Step 6: Final answer
    x = 17,182.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.