Home / 13,586.57-20,382.92-4,821.48

Finding the Fourth Proportional to 13,586.57, 20,382.92 and 4,821.48

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Solution

The fourth proportional to 13,586.57, 20,382.92 and 4,821.48 is: 7,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.57 : 20,382.92 = 4,821.48 : x
  2. Step 2: Convert to fraction form
    13,586.57/20,382.92 = 4,821.48/x
  3. Step 3: Cross multiply
    13,586.57x = 20,382.92 × 4,821.48
  4. Step 4: Simplify right side
    13,586.57x = 98,275,817.01
  5. Step 5: Solve for x
    x = 98,275,817.01/13,586.57
  6. Step 6: Final answer
    x = 7,233.31

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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.