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Finding the Fourth Proportional to 10,492, 15,738 and 3,196

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Solution

The fourth proportional to 10,492, 15,738 and 3,196 is: 4,794

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492 : 15,738 = 3,196 : x
  2. Step 2: Convert to fraction form
    10,492/15,738 = 3,196/x
  3. Step 3: Cross multiply
    10,492x = 15,738 × 3,196
  4. Step 4: Simplify right side
    10,492x = 50,298,648
  5. Step 5: Solve for x
    x = 50,298,648/10,492
  6. Step 6: Final answer
    x = 4,794

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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.