Home / 12,414.64-17,131.19-7,309.35

Finding the Fourth Proportional to 12,414.64, 17,131.19 and 7,309.35

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Solution

The fourth proportional to 12,414.64, 17,131.19 and 7,309.35 is: 10,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.64 : 17,131.19 = 7,309.35 : x
  2. Step 2: Convert to fraction form
    12,414.64/17,131.19 = 7,309.35/x
  3. Step 3: Cross multiply
    12,414.64x = 17,131.19 × 7,309.35
  4. Step 4: Simplify right side
    12,414.64x = 125,217,863.63
  5. Step 5: Solve for x
    x = 125,217,863.63/12,414.64
  6. Step 6: Final answer
    x = 10,086.31

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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.