Home / 12,966.33-19,467.41-8,954.31

Finding the Fourth Proportional to 12,966.33, 19,467.41 and 8,954.31

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Solution

The fourth proportional to 12,966.33, 19,467.41 and 8,954.31 is: 13,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.33 : 19,467.41 = 8,954.31 : x
  2. Step 2: Convert to fraction form
    12,966.33/19,467.41 = 8,954.31/x
  3. Step 3: Cross multiply
    12,966.33x = 19,467.41 × 8,954.31
  4. Step 4: Simplify right side
    12,966.33x = 174,317,149.09
  5. Step 5: Solve for x
    x = 174,317,149.09/12,966.33
  6. Step 6: Final answer
    x = 13,443.83

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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.