Home / 12,256.60-18,336.30-11,090.20

Finding the Fourth Proportional to 12,256.60, 18,336.30 and 11,090.20

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Solution

The fourth proportional to 12,256.60, 18,336.30 and 11,090.20 is: 16,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.60 : 18,336.30 = 11,090.20 : x
  2. Step 2: Convert to fraction form
    12,256.60/18,336.30 = 11,090.20/x
  3. Step 3: Cross multiply
    12,256.60x = 18,336.30 × 11,090.20
  4. Step 4: Simplify right side
    12,256.60x = 203,353,234.26
  5. Step 5: Solve for x
    x = 203,353,234.26/12,256.60
  6. Step 6: Final answer
    x = 16,591.33

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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.