Home / 12,486.30-17,251.35-12,363.42

Finding the Fourth Proportional to 12,486.30, 17,251.35 and 12,363.42

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Solution

The fourth proportional to 12,486.30, 17,251.35 and 12,363.42 is: 17,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.30 : 17,251.35 = 12,363.42 : x
  2. Step 2: Convert to fraction form
    12,486.30/17,251.35 = 12,363.42/x
  3. Step 3: Cross multiply
    12,486.30x = 17,251.35 × 12,363.42
  4. Step 4: Simplify right side
    12,486.30x = 213,285,685.62
  5. Step 5: Solve for x
    x = 213,285,685.62/12,486.30
  6. Step 6: Final answer
    x = 17,081.58

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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.