Home / 11,405.28-17,107.38-4,011.36

Finding the Fourth Proportional to 11,405.28, 17,107.38 and 4,011.36

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Solution

The fourth proportional to 11,405.28, 17,107.38 and 4,011.36 is: 6,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.28 : 17,107.38 = 4,011.36 : x
  2. Step 2: Convert to fraction form
    11,405.28/17,107.38 = 4,011.36/x
  3. Step 3: Cross multiply
    11,405.28x = 17,107.38 × 4,011.36
  4. Step 4: Simplify right side
    11,405.28x = 68,623,859.84
  5. Step 5: Solve for x
    x = 68,623,859.84/11,405.28
  6. Step 6: Final answer
    x = 6,016.85

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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.