Home / 12,881.12-19,321.68-5,954.72

Finding the Fourth Proportional to 12,881.12, 19,321.68 and 5,954.72

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Solution

The fourth proportional to 12,881.12, 19,321.68 and 5,954.72 is: 8,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.12 : 19,321.68 = 5,954.72 : x
  2. Step 2: Convert to fraction form
    12,881.12/19,321.68 = 5,954.72/x
  3. Step 3: Cross multiply
    12,881.12x = 19,321.68 × 5,954.72
  4. Step 4: Simplify right side
    12,881.12x = 115,055,194.33
  5. Step 5: Solve for x
    x = 115,055,194.33/12,881.12
  6. Step 6: Final answer
    x = 8,932.08

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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.