Home / 12,629.08-17,427.42-6,963.64

Finding the Fourth Proportional to 12,629.08, 17,427.42 and 6,963.64

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Solution

The fourth proportional to 12,629.08, 17,427.42 and 6,963.64 is: 9,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.08 : 17,427.42 = 6,963.64 : x
  2. Step 2: Convert to fraction form
    12,629.08/17,427.42 = 6,963.64/x
  3. Step 3: Cross multiply
    12,629.08x = 17,427.42 × 6,963.64
  4. Step 4: Simplify right side
    12,629.08x = 121,358,279.01
  5. Step 5: Solve for x
    x = 121,358,279.01/12,629.08
  6. Step 6: Final answer
    x = 9,609.43

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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.