Home / 14,914.45-20,571.59-10,131.72

Finding the Fourth Proportional to 14,914.45, 20,571.59 and 10,131.72

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Solution

The fourth proportional to 14,914.45, 20,571.59 and 10,131.72 is: 13,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.45 : 20,571.59 = 10,131.72 : x
  2. Step 2: Convert to fraction form
    14,914.45/20,571.59 = 10,131.72/x
  3. Step 3: Cross multiply
    14,914.45x = 20,571.59 × 10,131.72
  4. Step 4: Simplify right side
    14,914.45x = 208,425,481.03
  5. Step 5: Solve for x
    x = 208,425,481.03/14,914.45
  6. Step 6: Final answer
    x = 13,974.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.