Home / 12,324.96-18,487.44-11,255.76

Finding the Fourth Proportional to 12,324.96, 18,487.44 and 11,255.76

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Solution

The fourth proportional to 12,324.96, 18,487.44 and 11,255.76 is: 16,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.96 : 18,487.44 = 11,255.76 : x
  2. Step 2: Convert to fraction form
    12,324.96/18,487.44 = 11,255.76/x
  3. Step 3: Cross multiply
    12,324.96x = 18,487.44 × 11,255.76
  4. Step 4: Simplify right side
    12,324.96x = 208,090,187.65
  5. Step 5: Solve for x
    x = 208,090,187.65/12,324.96
  6. Step 6: Final answer
    x = 16,883.64

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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.