Home / 17,986.78-24,829.85-13,198.26

Finding the Fourth Proportional to 17,986.78, 24,829.85 and 13,198.26

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Solution

The fourth proportional to 17,986.78, 24,829.85 and 13,198.26 is: 18,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.78 : 24,829.85 = 13,198.26 : x
  2. Step 2: Convert to fraction form
    17,986.78/24,829.85 = 13,198.26/x
  3. Step 3: Cross multiply
    17,986.78x = 24,829.85 × 13,198.26
  4. Step 4: Simplify right side
    17,986.78x = 327,710,942.17
  5. Step 5: Solve for x
    x = 327,710,942.17/17,986.78
  6. Step 6: Final answer
    x = 18,219.54

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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.