Home / 11,424.45-17,130.30-3,524.72

Finding the Fourth Proportional to 11,424.45, 17,130.30 and 3,524.72

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Solution

The fourth proportional to 11,424.45, 17,130.30 and 3,524.72 is: 5,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.45 : 17,130.30 = 3,524.72 : x
  2. Step 2: Convert to fraction form
    11,424.45/17,130.30 = 3,524.72/x
  3. Step 3: Cross multiply
    11,424.45x = 17,130.30 × 3,524.72
  4. Step 4: Simplify right side
    11,424.45x = 60,379,538.24
  5. Step 5: Solve for x
    x = 60,379,538.24/11,424.45
  6. Step 6: Final answer
    x = 5,285.12

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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.