Home / 14,949.95-20,481.53-14,389.43

Finding the Fourth Proportional to 14,949.95, 20,481.53 and 14,389.43

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Solution

The fourth proportional to 14,949.95, 20,481.53 and 14,389.43 is: 19,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.95 : 20,481.53 = 14,389.43 : x
  2. Step 2: Convert to fraction form
    14,949.95/20,481.53 = 14,389.43/x
  3. Step 3: Cross multiply
    14,949.95x = 20,481.53 × 14,389.43
  4. Step 4: Simplify right side
    14,949.95x = 294,717,367.87
  5. Step 5: Solve for x
    x = 294,717,367.87/14,949.95
  6. Step 6: Final answer
    x = 19,713.61

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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.