Home / 11,340.28-17,011.38-3,020.30

Finding the Fourth Proportional to 11,340.28, 17,011.38 and 3,020.30

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Solution

The fourth proportional to 11,340.28, 17,011.38 and 3,020.30 is: 4,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.28 : 17,011.38 = 3,020.30 : x
  2. Step 2: Convert to fraction form
    11,340.28/17,011.38 = 3,020.30/x
  3. Step 3: Cross multiply
    11,340.28x = 17,011.38 × 3,020.30
  4. Step 4: Simplify right side
    11,340.28x = 51,379,471.01
  5. Step 5: Solve for x
    x = 51,379,471.01/11,340.28
  6. Step 6: Final answer
    x = 4,530.71

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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.