Home / 12,497.08-17,268.82-11,889.80

Finding the Fourth Proportional to 12,497.08, 17,268.82 and 11,889.80

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Solution

The fourth proportional to 12,497.08, 17,268.82 and 11,889.80 is: 16,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.08 : 17,268.82 = 11,889.80 : x
  2. Step 2: Convert to fraction form
    12,497.08/17,268.82 = 11,889.80/x
  3. Step 3: Cross multiply
    12,497.08x = 17,268.82 × 11,889.80
  4. Step 4: Simplify right side
    12,497.08x = 205,322,816.04
  5. Step 5: Solve for x
    x = 205,322,816.04/12,497.08
  6. Step 6: Final answer
    x = 16,429.66

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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.