Home / 14,321.10-21,472.41-6,910.86

Finding the Fourth Proportional to 14,321.10, 21,472.41 and 6,910.86

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Solution

The fourth proportional to 14,321.10, 21,472.41 and 6,910.86 is: 10,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.10 : 21,472.41 = 6,910.86 : x
  2. Step 2: Convert to fraction form
    14,321.10/21,472.41 = 6,910.86/x
  3. Step 3: Cross multiply
    14,321.10x = 21,472.41 × 6,910.86
  4. Step 4: Simplify right side
    14,321.10x = 148,392,819.37
  5. Step 5: Solve for x
    x = 148,392,819.37/14,321.10
  6. Step 6: Final answer
    x = 10,361.83

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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.