Home / 13,948.41-20,923.94-3,953.36

Finding the Fourth Proportional to 13,948.41, 20,923.94 and 3,953.36

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Solution

The fourth proportional to 13,948.41, 20,923.94 and 3,953.36 is: 5,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.41 : 20,923.94 = 3,953.36 : x
  2. Step 2: Convert to fraction form
    13,948.41/20,923.94 = 3,953.36/x
  3. Step 3: Cross multiply
    13,948.41x = 20,923.94 × 3,953.36
  4. Step 4: Simplify right side
    13,948.41x = 82,719,929.63
  5. Step 5: Solve for x
    x = 82,719,929.63/13,948.41
  6. Step 6: Final answer
    x = 5,930.42

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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.