Home / 11,330.20-16,998.90-5,087.80

Finding the Fourth Proportional to 11,330.20, 16,998.90 and 5,087.80

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Solution

The fourth proportional to 11,330.20, 16,998.90 and 5,087.80 is: 7,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.20 : 16,998.90 = 5,087.80 : x
  2. Step 2: Convert to fraction form
    11,330.20/16,998.90 = 5,087.80/x
  3. Step 3: Cross multiply
    11,330.20x = 16,998.90 × 5,087.80
  4. Step 4: Simplify right side
    11,330.20x = 86,487,003.42
  5. Step 5: Solve for x
    x = 86,487,003.42/11,330.20
  6. Step 6: Final answer
    x = 7,633.32

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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.