Home / 12,461.76-18,694.08-3,228.48

Finding the Fourth Proportional to 12,461.76, 18,694.08 and 3,228.48

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Solution

The fourth proportional to 12,461.76, 18,694.08 and 3,228.48 is: 4,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.76 : 18,694.08 = 3,228.48 : x
  2. Step 2: Convert to fraction form
    12,461.76/18,694.08 = 3,228.48/x
  3. Step 3: Cross multiply
    12,461.76x = 18,694.08 × 3,228.48
  4. Step 4: Simplify right side
    12,461.76x = 60,353,463.40
  5. Step 5: Solve for x
    x = 60,353,463.40/12,461.76
  6. Step 6: Final answer
    x = 4,843.09

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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.