Home / 13,583.89-20,377.05-3,723.22

Finding the Fourth Proportional to 13,583.89, 20,377.05 and 3,723.22

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Solution

The fourth proportional to 13,583.89, 20,377.05 and 3,723.22 is: 5,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.89 : 20,377.05 = 3,723.22 : x
  2. Step 2: Convert to fraction form
    13,583.89/20,377.05 = 3,723.22/x
  3. Step 3: Cross multiply
    13,583.89x = 20,377.05 × 3,723.22
  4. Step 4: Simplify right side
    13,583.89x = 75,868,240.10
  5. Step 5: Solve for x
    x = 75,868,240.10/13,583.89
  6. Step 6: Final answer
    x = 5,585.16

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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.