Home / 11,682.03-16,121.57-6,646.98

Finding the Fourth Proportional to 11,682.03, 16,121.57 and 6,646.98

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Solution

The fourth proportional to 11,682.03, 16,121.57 and 6,646.98 is: 9,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.03 : 16,121.57 = 6,646.98 : x
  2. Step 2: Convert to fraction form
    11,682.03/16,121.57 = 6,646.98/x
  3. Step 3: Cross multiply
    11,682.03x = 16,121.57 × 6,646.98
  4. Step 4: Simplify right side
    11,682.03x = 107,159,720.12
  5. Step 5: Solve for x
    x = 107,159,720.12/11,682.03
  6. Step 6: Final answer
    x = 9,173.04

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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.