Home / 14,620.41-21,914.96-10,447.79

Finding the Fourth Proportional to 14,620.41, 21,914.96 and 10,447.79

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Solution

The fourth proportional to 14,620.41, 21,914.96 and 10,447.79 is: 15,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.41 : 21,914.96 = 10,447.79 : x
  2. Step 2: Convert to fraction form
    14,620.41/21,914.96 = 10,447.79/x
  3. Step 3: Cross multiply
    14,620.41x = 21,914.96 × 10,447.79
  4. Step 4: Simplify right side
    14,620.41x = 228,962,738.12
  5. Step 5: Solve for x
    x = 228,962,738.12/14,620.41
  6. Step 6: Final answer
    x = 15,660.49

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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.