Home / 14,227.41-19,635.80-7,940.19

Finding the Fourth Proportional to 14,227.41, 19,635.80 and 7,940.19

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Solution

The fourth proportional to 14,227.41, 19,635.80 and 7,940.19 is: 10,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.41 : 19,635.80 = 7,940.19 : x
  2. Step 2: Convert to fraction form
    14,227.41/19,635.80 = 7,940.19/x
  3. Step 3: Cross multiply
    14,227.41x = 19,635.80 × 7,940.19
  4. Step 4: Simplify right side
    14,227.41x = 155,911,982.80
  5. Step 5: Solve for x
    x = 155,911,982.80/14,227.41
  6. Step 6: Final answer
    x = 10,958.56

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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.