Home / 14,104.14-21,149.37-8,262.78

Finding the Fourth Proportional to 14,104.14, 21,149.37 and 8,262.78

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Solution

The fourth proportional to 14,104.14, 21,149.37 and 8,262.78 is: 12,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.14 : 21,149.37 = 8,262.78 : x
  2. Step 2: Convert to fraction form
    14,104.14/21,149.37 = 8,262.78/x
  3. Step 3: Cross multiply
    14,104.14x = 21,149.37 × 8,262.78
  4. Step 4: Simplify right side
    14,104.14x = 174,752,591.45
  5. Step 5: Solve for x
    x = 174,752,591.45/14,104.14
  6. Step 6: Final answer
    x = 12,390.16

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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.