Home / 11,989.72-16,546.37-6,684.58

Finding the Fourth Proportional to 11,989.72, 16,546.37 and 6,684.58

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Solution

The fourth proportional to 11,989.72, 16,546.37 and 6,684.58 is: 9,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.72 : 16,546.37 = 6,684.58 : x
  2. Step 2: Convert to fraction form
    11,989.72/16,546.37 = 6,684.58/x
  3. Step 3: Cross multiply
    11,989.72x = 16,546.37 × 6,684.58
  4. Step 4: Simplify right side
    11,989.72x = 110,605,533.97
  5. Step 5: Solve for x
    x = 110,605,533.97/11,989.72
  6. Step 6: Final answer
    x = 9,225.03

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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.