Home / 13,977.09-19,294.82-8,675.04

Finding the Fourth Proportional to 13,977.09, 19,294.82 and 8,675.04

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Solution

The fourth proportional to 13,977.09, 19,294.82 and 8,675.04 is: 11,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.09 : 19,294.82 = 8,675.04 : x
  2. Step 2: Convert to fraction form
    13,977.09/19,294.82 = 8,675.04/x
  3. Step 3: Cross multiply
    13,977.09x = 19,294.82 × 8,675.04
  4. Step 4: Simplify right side
    13,977.09x = 167,383,252.09
  5. Step 5: Solve for x
    x = 167,383,252.09/13,977.09
  6. Step 6: Final answer
    x = 11,975.54

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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.