Home / 13,583.50-20,379.57-4,349.50

Finding the Fourth Proportional to 13,583.50, 20,379.57 and 4,349.50

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Solution

The fourth proportional to 13,583.50, 20,379.57 and 4,349.50 is: 6,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.50 : 20,379.57 = 4,349.50 : x
  2. Step 2: Convert to fraction form
    13,583.50/20,379.57 = 4,349.50/x
  3. Step 3: Cross multiply
    13,583.50x = 20,379.57 × 4,349.50
  4. Step 4: Simplify right side
    13,583.50x = 88,640,939.72
  5. Step 5: Solve for x
    x = 88,640,939.72/13,583.50
  6. Step 6: Final answer
    x = 6,525.63

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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.