Home / 16,879.11-23,291.82-9,805.98

Finding the Fourth Proportional to 16,879.11, 23,291.82 and 9,805.98

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Solution

The fourth proportional to 16,879.11, 23,291.82 and 9,805.98 is: 13,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.11 : 23,291.82 = 9,805.98 : x
  2. Step 2: Convert to fraction form
    16,879.11/23,291.82 = 9,805.98/x
  3. Step 3: Cross multiply
    16,879.11x = 23,291.82 × 9,805.98
  4. Step 4: Simplify right side
    16,879.11x = 228,399,121.08
  5. Step 5: Solve for x
    x = 228,399,121.08/16,879.11
  6. Step 6: Final answer
    x = 13,531.47

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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.