Home / 12,849.97-19,279.68-9,181.07

Finding the Fourth Proportional to 12,849.97, 19,279.68 and 9,181.07

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Solution

The fourth proportional to 12,849.97, 19,279.68 and 9,181.07 is: 13,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.97 : 19,279.68 = 9,181.07 : x
  2. Step 2: Convert to fraction form
    12,849.97/19,279.68 = 9,181.07/x
  3. Step 3: Cross multiply
    12,849.97x = 19,279.68 × 9,181.07
  4. Step 4: Simplify right side
    12,849.97x = 177,008,091.66
  5. Step 5: Solve for x
    x = 177,008,091.66/12,849.97
  6. Step 6: Final answer
    x = 13,774.98

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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.