Home / 13,957.46-20,940.37-5,072.63

Finding the Fourth Proportional to 13,957.46, 20,940.37 and 5,072.63

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Solution

The fourth proportional to 13,957.46, 20,940.37 and 5,072.63 is: 7,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.46 : 20,940.37 = 5,072.63 : x
  2. Step 2: Convert to fraction form
    13,957.46/20,940.37 = 5,072.63/x
  3. Step 3: Cross multiply
    13,957.46x = 20,940.37 × 5,072.63
  4. Step 4: Simplify right side
    13,957.46x = 106,222,660.22
  5. Step 5: Solve for x
    x = 106,222,660.22/13,957.46
  6. Step 6: Final answer
    x = 7,610.46

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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.