Home / 12,257.40-16,910.30-8,007.02

Finding the Fourth Proportional to 12,257.40, 16,910.30 and 8,007.02

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Solution

The fourth proportional to 12,257.40, 16,910.30 and 8,007.02 is: 11,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.40 : 16,910.30 = 8,007.02 : x
  2. Step 2: Convert to fraction form
    12,257.40/16,910.30 = 8,007.02/x
  3. Step 3: Cross multiply
    12,257.40x = 16,910.30 × 8,007.02
  4. Step 4: Simplify right side
    12,257.40x = 135,401,110.31
  5. Step 5: Solve for x
    x = 135,401,110.31/12,257.40
  6. Step 6: Final answer
    x = 11,046.48

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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.