Home / 12,447.44-18,673.72-8,553.68

Finding the Fourth Proportional to 12,447.44, 18,673.72 and 8,553.68

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Solution

The fourth proportional to 12,447.44, 18,673.72 and 8,553.68 is: 12,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.44 : 18,673.72 = 8,553.68 : x
  2. Step 2: Convert to fraction form
    12,447.44/18,673.72 = 8,553.68/x
  3. Step 3: Cross multiply
    12,447.44x = 18,673.72 × 8,553.68
  4. Step 4: Simplify right side
    12,447.44x = 159,729,025.29
  5. Step 5: Solve for x
    x = 159,729,025.29/12,447.44
  6. Step 6: Final answer
    x = 12,832.28

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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.