Home / 12,336.30-17,026.20-8,083.80

Finding the Fourth Proportional to 12,336.30, 17,026.20 and 8,083.80

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Solution

The fourth proportional to 12,336.30, 17,026.20 and 8,083.80 is: 11,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.30 : 17,026.20 = 8,083.80 : x
  2. Step 2: Convert to fraction form
    12,336.30/17,026.20 = 8,083.80/x
  3. Step 3: Cross multiply
    12,336.30x = 17,026.20 × 8,083.80
  4. Step 4: Simplify right side
    12,336.30x = 137,636,395.56
  5. Step 5: Solve for x
    x = 137,636,395.56/12,336.30
  6. Step 6: Final answer
    x = 11,157.02

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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.