Home / 11,372.20-17,060.15-3,579.19

Finding the Fourth Proportional to 11,372.20, 17,060.15 and 3,579.19

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Solution

The fourth proportional to 11,372.20, 17,060.15 and 3,579.19 is: 5,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.20 : 17,060.15 = 3,579.19 : x
  2. Step 2: Convert to fraction form
    11,372.20/17,060.15 = 3,579.19/x
  3. Step 3: Cross multiply
    11,372.20x = 17,060.15 × 3,579.19
  4. Step 4: Simplify right side
    11,372.20x = 61,061,484.58
  5. Step 5: Solve for x
    x = 61,061,484.58/11,372.20
  6. Step 6: Final answer
    x = 5,369.37

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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.