Home / 11,090.20-16,671.30-9,664.60

Finding the Fourth Proportional to 11,090.20, 16,671.30 and 9,664.60

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Solution

The fourth proportional to 11,090.20, 16,671.30 and 9,664.60 is: 14,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.20 : 16,671.30 = 9,664.60 : x
  2. Step 2: Convert to fraction form
    11,090.20/16,671.30 = 9,664.60/x
  3. Step 3: Cross multiply
    11,090.20x = 16,671.30 × 9,664.60
  4. Step 4: Simplify right side
    11,090.20x = 161,121,445.98
  5. Step 5: Solve for x
    x = 161,121,445.98/11,090.20
  6. Step 6: Final answer
    x = 14,528.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.