Home / 19,653.98-27,122.67-11,268.86

Finding the Fourth Proportional to 19,653.98, 27,122.67 and 11,268.86

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Solution

The fourth proportional to 19,653.98, 27,122.67 and 11,268.86 is: 15,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.98 : 27,122.67 = 11,268.86 : x
  2. Step 2: Convert to fraction form
    19,653.98/27,122.67 = 11,268.86/x
  3. Step 3: Cross multiply
    19,653.98x = 27,122.67 × 11,268.86
  4. Step 4: Simplify right side
    19,653.98x = 305,641,435.44
  5. Step 5: Solve for x
    x = 305,641,435.44/19,653.98
  6. Step 6: Final answer
    x = 15,551.13

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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.