Home / 12,954.70-19,446.45-8,029.90

Finding the Fourth Proportional to 12,954.70, 19,446.45 and 8,029.90

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Solution

The fourth proportional to 12,954.70, 19,446.45 and 8,029.90 is: 12,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.70 : 19,446.45 = 8,029.90 : x
  2. Step 2: Convert to fraction form
    12,954.70/19,446.45 = 8,029.90/x
  3. Step 3: Cross multiply
    12,954.70x = 19,446.45 × 8,029.90
  4. Step 4: Simplify right side
    12,954.70x = 156,153,048.86
  5. Step 5: Solve for x
    x = 156,153,048.86/12,954.70
  6. Step 6: Final answer
    x = 12,053.78

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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.