Home / 11,646.20-16,072.20-6,610.64

Finding the Fourth Proportional to 11,646.20, 16,072.20 and 6,610.64

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Solution

The fourth proportional to 11,646.20, 16,072.20 and 6,610.64 is: 9,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.20 : 16,072.20 = 6,610.64 : x
  2. Step 2: Convert to fraction form
    11,646.20/16,072.20 = 6,610.64/x
  3. Step 3: Cross multiply
    11,646.20x = 16,072.20 × 6,610.64
  4. Step 4: Simplify right side
    11,646.20x = 106,247,447.85
  5. Step 5: Solve for x
    x = 106,247,447.85/11,646.20
  6. Step 6: Final answer
    x = 9,122.93

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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.