Home / 21,246.82-31,834.78-14,996.58

Finding the Fourth Proportional to 21,246.82, 31,834.78 and 14,996.58

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Solution

The fourth proportional to 21,246.82, 31,834.78 and 14,996.58 is: 22,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.82 : 31,834.78 = 14,996.58 : x
  2. Step 2: Convert to fraction form
    21,246.82/31,834.78 = 14,996.58/x
  3. Step 3: Cross multiply
    21,246.82x = 31,834.78 × 14,996.58
  4. Step 4: Simplify right side
    21,246.82x = 477,412,825.05
  5. Step 5: Solve for x
    x = 477,412,825.05/21,246.82
  6. Step 6: Final answer
    x = 22,469.85

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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.