Home / 12,436.23-18,657.03-4,115.83

Finding the Fourth Proportional to 12,436.23, 18,657.03 and 4,115.83

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Solution

The fourth proportional to 12,436.23, 18,657.03 and 4,115.83 is: 6,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.23 : 18,657.03 = 4,115.83 : x
  2. Step 2: Convert to fraction form
    12,436.23/18,657.03 = 4,115.83/x
  3. Step 3: Cross multiply
    12,436.23x = 18,657.03 × 4,115.83
  4. Step 4: Simplify right side
    12,436.23x = 76,789,049.92
  5. Step 5: Solve for x
    x = 76,789,049.92/12,436.23
  6. Step 6: Final answer
    x = 6,174.62

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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.