Home / 12,436.26-18,655.62-4,003.73

Finding the Fourth Proportional to 12,436.26, 18,655.62 and 4,003.73

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Solution

The fourth proportional to 12,436.26, 18,655.62 and 4,003.73 is: 6,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.26 : 18,655.62 = 4,003.73 : x
  2. Step 2: Convert to fraction form
    12,436.26/18,655.62 = 4,003.73/x
  3. Step 3: Cross multiply
    12,436.26x = 18,655.62 × 4,003.73
  4. Step 4: Simplify right side
    12,436.26x = 74,692,027.13
  5. Step 5: Solve for x
    x = 74,692,027.13/12,436.26
  6. Step 6: Final answer
    x = 6,005.99

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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.