Home / 12,631.27-18,946.90-5,609.63

Finding the Fourth Proportional to 12,631.27, 18,946.90 and 5,609.63

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Solution

The fourth proportional to 12,631.27, 18,946.90 and 5,609.63 is: 8,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.27 : 18,946.90 = 5,609.63 : x
  2. Step 2: Convert to fraction form
    12,631.27/18,946.90 = 5,609.63/x
  3. Step 3: Cross multiply
    12,631.27x = 18,946.90 × 5,609.63
  4. Step 4: Simplify right side
    12,631.27x = 106,285,098.65
  5. Step 5: Solve for x
    x = 106,285,098.65/12,631.27
  6. Step 6: Final answer
    x = 8,414.44

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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.