Home / 12,849.44-19,260.32-8,405.42

Finding the Fourth Proportional to 12,849.44, 19,260.32 and 8,405.42

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Solution

The fourth proportional to 12,849.44, 19,260.32 and 8,405.42 is: 12,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.44 : 19,260.32 = 8,405.42 : x
  2. Step 2: Convert to fraction form
    12,849.44/19,260.32 = 8,405.42/x
  3. Step 3: Cross multiply
    12,849.44x = 19,260.32 × 8,405.42
  4. Step 4: Simplify right side
    12,849.44x = 161,891,078.93
  5. Step 5: Solve for x
    x = 161,891,078.93/12,849.44
  6. Step 6: Final answer
    x = 12,599.08

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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.