Home / 12,504.08-17,278.48-11,896.80

Finding the Fourth Proportional to 12,504.08, 17,278.48 and 11,896.80

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Solution

The fourth proportional to 12,504.08, 17,278.48 and 11,896.80 is: 16,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.08 : 17,278.48 = 11,896.80 : x
  2. Step 2: Convert to fraction form
    12,504.08/17,278.48 = 11,896.80/x
  3. Step 3: Cross multiply
    12,504.08x = 17,278.48 × 11,896.80
  4. Step 4: Simplify right side
    12,504.08x = 205,558,620.86
  5. Step 5: Solve for x
    x = 205,558,620.86/12,504.08
  6. Step 6: Final answer
    x = 16,439.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.