Home / 12,682.45-19,026.80-8,941.54

Finding the Fourth Proportional to 12,682.45, 19,026.80 and 8,941.54

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Solution

The fourth proportional to 12,682.45, 19,026.80 and 8,941.54 is: 13,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.45 : 19,026.80 = 8,941.54 : x
  2. Step 2: Convert to fraction form
    12,682.45/19,026.80 = 8,941.54/x
  3. Step 3: Cross multiply
    12,682.45x = 19,026.80 × 8,941.54
  4. Step 4: Simplify right side
    12,682.45x = 170,128,893.27
  5. Step 5: Solve for x
    x = 170,128,893.27/12,682.45
  6. Step 6: Final answer
    x = 13,414.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.