Home / 11,754.72-16,218.73-6,650.35

Finding the Fourth Proportional to 11,754.72, 16,218.73 and 6,650.35

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Solution

The fourth proportional to 11,754.72, 16,218.73 and 6,650.35 is: 9,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.72 : 16,218.73 = 6,650.35 : x
  2. Step 2: Convert to fraction form
    11,754.72/16,218.73 = 6,650.35/x
  3. Step 3: Cross multiply
    11,754.72x = 16,218.73 × 6,650.35
  4. Step 4: Simplify right side
    11,754.72x = 107,860,231.06
  5. Step 5: Solve for x
    x = 107,860,231.06/11,754.72
  6. Step 6: Final answer
    x = 9,175.91

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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.