Home / 13,016.94-17,963.26-7,714.28

Finding the Fourth Proportional to 13,016.94, 17,963.26 and 7,714.28

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Solution

The fourth proportional to 13,016.94, 17,963.26 and 7,714.28 is: 10,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.94 : 17,963.26 = 7,714.28 : x
  2. Step 2: Convert to fraction form
    13,016.94/17,963.26 = 7,714.28/x
  3. Step 3: Cross multiply
    13,016.94x = 17,963.26 × 7,714.28
  4. Step 4: Simplify right side
    13,016.94x = 138,573,617.35
  5. Step 5: Solve for x
    x = 138,573,617.35/13,016.94
  6. Step 6: Final answer
    x = 10,645.64

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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.