Home / 11,652.23-16,080.72-6,616.60

Finding the Fourth Proportional to 11,652.23, 16,080.72 and 6,616.60

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Solution

The fourth proportional to 11,652.23, 16,080.72 and 6,616.60 is: 9,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.23 : 16,080.72 = 6,616.60 : x
  2. Step 2: Convert to fraction form
    11,652.23/16,080.72 = 6,616.60/x
  3. Step 3: Cross multiply
    11,652.23x = 16,080.72 × 6,616.60
  4. Step 4: Simplify right side
    11,652.23x = 106,399,691.95
  5. Step 5: Solve for x
    x = 106,399,691.95/11,652.23
  6. Step 6: Final answer
    x = 9,131.27

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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.