Home / 14,949.82-20,481.35-14,389.30

Finding the Fourth Proportional to 14,949.82, 20,481.35 and 14,389.30

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Solution

The fourth proportional to 14,949.82, 20,481.35 and 14,389.30 is: 19,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.82 : 20,481.35 = 14,389.30 : x
  2. Step 2: Convert to fraction form
    14,949.82/20,481.35 = 14,389.30/x
  3. Step 3: Cross multiply
    14,949.82x = 20,481.35 × 14,389.30
  4. Step 4: Simplify right side
    14,949.82x = 294,712,289.56
  5. Step 5: Solve for x
    x = 294,712,289.56/14,949.82
  6. Step 6: Final answer
    x = 19,713.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.