Home / 12,546.51-17,321.49-7,512.36

Finding the Fourth Proportional to 12,546.51, 17,321.49 and 7,512.36

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Solution

The fourth proportional to 12,546.51, 17,321.49 and 7,512.36 is: 10,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.51 : 17,321.49 = 7,512.36 : x
  2. Step 2: Convert to fraction form
    12,546.51/17,321.49 = 7,512.36/x
  3. Step 3: Cross multiply
    12,546.51x = 17,321.49 × 7,512.36
  4. Step 4: Simplify right side
    12,546.51x = 130,125,268.62
  5. Step 5: Solve for x
    x = 130,125,268.62/12,546.51
  6. Step 6: Final answer
    x = 10,371.43

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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.