Home / 12,512.40-17,258.94-8,029.04

Finding the Fourth Proportional to 12,512.40, 17,258.94 and 8,029.04

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Solution

The fourth proportional to 12,512.40, 17,258.94 and 8,029.04 is: 11,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.40 : 17,258.94 = 8,029.04 : x
  2. Step 2: Convert to fraction form
    12,512.40/17,258.94 = 8,029.04/x
  3. Step 3: Cross multiply
    12,512.40x = 17,258.94 × 8,029.04
  4. Step 4: Simplify right side
    12,512.40x = 138,572,719.62
  5. Step 5: Solve for x
    x = 138,572,719.62/12,512.40
  6. Step 6: Final answer
    x = 11,074.83

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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.