Home / 11,601.28-17,398.24-3,808.28

Finding the Fourth Proportional to 11,601.28, 17,398.24 and 3,808.28

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Solution

The fourth proportional to 11,601.28, 17,398.24 and 3,808.28 is: 5,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.28 : 17,398.24 = 3,808.28 : x
  2. Step 2: Convert to fraction form
    11,601.28/17,398.24 = 3,808.28/x
  3. Step 3: Cross multiply
    11,601.28x = 17,398.24 × 3,808.28
  4. Step 4: Simplify right side
    11,601.28x = 66,257,369.43
  5. Step 5: Solve for x
    x = 66,257,369.43/11,601.28
  6. Step 6: Final answer
    x = 5,711.21

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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.