Home / 12,438.29-18,657.43-3,204.29

Finding the Fourth Proportional to 12,438.29, 18,657.43 and 3,204.29

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Solution

The fourth proportional to 12,438.29, 18,657.43 and 3,204.29 is: 4,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.29 : 18,657.43 = 3,204.29 : x
  2. Step 2: Convert to fraction form
    12,438.29/18,657.43 = 3,204.29/x
  3. Step 3: Cross multiply
    12,438.29x = 18,657.43 × 3,204.29
  4. Step 4: Simplify right side
    12,438.29x = 59,783,855.01
  5. Step 5: Solve for x
    x = 59,783,855.01/12,438.29
  6. Step 6: Final answer
    x = 4,806.44

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Similar ratio
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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.