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Finding the Fourth Proportional to 12,484, 18,726 and 3,250

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Solution

The fourth proportional to 12,484, 18,726 and 3,250 is: 4,875

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484 : 18,726 = 3,250 : x
  2. Step 2: Convert to fraction form
    12,484/18,726 = 3,250/x
  3. Step 3: Cross multiply
    12,484x = 18,726 × 3,250
  4. Step 4: Simplify right side
    12,484x = 60,859,500
  5. Step 5: Solve for x
    x = 60,859,500/12,484
  6. Step 6: Final answer
    x = 4,875

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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.