Home / 16,805.45-23,174.33-11,138.23

Finding the Fourth Proportional to 16,805.45, 23,174.33 and 11,138.23

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Solution

The fourth proportional to 16,805.45, 23,174.33 and 11,138.23 is: 15,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.45 : 23,174.33 = 11,138.23 : x
  2. Step 2: Convert to fraction form
    16,805.45/23,174.33 = 11,138.23/x
  3. Step 3: Cross multiply
    16,805.45x = 23,174.33 × 11,138.23
  4. Step 4: Simplify right side
    16,805.45x = 258,121,017.64
  5. Step 5: Solve for x
    x = 258,121,017.64/16,805.45
  6. Step 6: Final answer
    x = 15,359.36

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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.