Home / 15,936.96-21,992.69-8,863.23

Finding the Fourth Proportional to 15,936.96, 21,992.69 and 8,863.23

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Solution

The fourth proportional to 15,936.96, 21,992.69 and 8,863.23 is: 12,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.96 : 21,992.69 = 8,863.23 : x
  2. Step 2: Convert to fraction form
    15,936.96/21,992.69 = 8,863.23/x
  3. Step 3: Cross multiply
    15,936.96x = 21,992.69 × 8,863.23
  4. Step 4: Simplify right side
    15,936.96x = 194,926,291.95
  5. Step 5: Solve for x
    x = 194,926,291.95/15,936.96
  6. Step 6: Final answer
    x = 12,231.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.