Home / 14,189.46-21,262.11-5,419.59

Finding the Fourth Proportional to 14,189.46, 21,262.11 and 5,419.59

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Solution

The fourth proportional to 14,189.46, 21,262.11 and 5,419.59 is: 8,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.46 : 21,262.11 = 5,419.59 : x
  2. Step 2: Convert to fraction form
    14,189.46/21,262.11 = 5,419.59/x
  3. Step 3: Cross multiply
    14,189.46x = 21,262.11 × 5,419.59
  4. Step 4: Simplify right side
    14,189.46x = 115,231,918.73
  5. Step 5: Solve for x
    x = 115,231,918.73/14,189.46
  6. Step 6: Final answer
    x = 8,120.95

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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.