Home / 11,376.20-17,064.29-3,168.20

Finding the Fourth Proportional to 11,376.20, 17,064.29 and 3,168.20

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Solution

The fourth proportional to 11,376.20, 17,064.29 and 3,168.20 is: 4,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.20 : 17,064.29 = 3,168.20 : x
  2. Step 2: Convert to fraction form
    11,376.20/17,064.29 = 3,168.20/x
  3. Step 3: Cross multiply
    11,376.20x = 17,064.29 × 3,168.20
  4. Step 4: Simplify right side
    11,376.20x = 54,062,982.42
  5. Step 5: Solve for x
    x = 54,062,982.42/11,376.20
  6. Step 6: Final answer
    x = 4,752.29

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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.