Home / 11,519.05-17,260.57-8,015.90

Finding the Fourth Proportional to 11,519.05, 17,260.57 and 8,015.90

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Solution

The fourth proportional to 11,519.05, 17,260.57 and 8,015.90 is: 12,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.05 : 17,260.57 = 8,015.90 : x
  2. Step 2: Convert to fraction form
    11,519.05/17,260.57 = 8,015.90/x
  3. Step 3: Cross multiply
    11,519.05x = 17,260.57 × 8,015.90
  4. Step 4: Simplify right side
    11,519.05x = 138,359,003.06
  5. Step 5: Solve for x
    x = 138,359,003.06/11,519.05
  6. Step 6: Final answer
    x = 12,011.32

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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.