Home / 13,231.82-19,849.49-6,992.08

Finding the Fourth Proportional to 13,231.82, 19,849.49 and 6,992.08

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Solution

The fourth proportional to 13,231.82, 19,849.49 and 6,992.08 is: 10,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.82 : 19,849.49 = 6,992.08 : x
  2. Step 2: Convert to fraction form
    13,231.82/19,849.49 = 6,992.08/x
  3. Step 3: Cross multiply
    13,231.82x = 19,849.49 × 6,992.08
  4. Step 4: Simplify right side
    13,231.82x = 138,789,222.04
  5. Step 5: Solve for x
    x = 138,789,222.04/13,231.82
  6. Step 6: Final answer
    x = 10,489.05

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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.