Home / 11,480.20-17,218.33-3,158.37

Finding the Fourth Proportional to 11,480.20, 17,218.33 and 3,158.37

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Solution

The fourth proportional to 11,480.20, 17,218.33 and 3,158.37 is: 4,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.20 : 17,218.33 = 3,158.37 : x
  2. Step 2: Convert to fraction form
    11,480.20/17,218.33 = 3,158.37/x
  3. Step 3: Cross multiply
    11,480.20x = 17,218.33 × 3,158.37
  4. Step 4: Simplify right side
    11,480.20x = 54,381,849.03
  5. Step 5: Solve for x
    x = 54,381,849.03/11,480.20
  6. Step 6: Final answer
    x = 4,737.01

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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.