Home / 11,933.98-16,467.64-6,897.80

Finding the Fourth Proportional to 11,933.98, 16,467.64 and 6,897.80

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Solution

The fourth proportional to 11,933.98, 16,467.64 and 6,897.80 is: 9,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.98 : 16,467.64 = 6,897.80 : x
  2. Step 2: Convert to fraction form
    11,933.98/16,467.64 = 6,897.80/x
  3. Step 3: Cross multiply
    11,933.98x = 16,467.64 × 6,897.80
  4. Step 4: Simplify right side
    11,933.98x = 113,590,511.12
  5. Step 5: Solve for x
    x = 113,590,511.12/11,933.98
  6. Step 6: Final answer
    x = 9,518.24

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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.