Home / 11,129.90-16,704.30-4,560.80

Finding the Fourth Proportional to 11,129.90, 16,704.30 and 4,560.80

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Solution

The fourth proportional to 11,129.90, 16,704.30 and 4,560.80 is: 6,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.90 : 16,704.30 = 4,560.80 : x
  2. Step 2: Convert to fraction form
    11,129.90/16,704.30 = 4,560.80/x
  3. Step 3: Cross multiply
    11,129.90x = 16,704.30 × 4,560.80
  4. Step 4: Simplify right side
    11,129.90x = 76,184,971.44
  5. Step 5: Solve for x
    x = 76,184,971.44/11,129.90
  6. Step 6: Final answer
    x = 6,845.07

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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.