Home / 13,723.56-20,583.05-3,862.89

Finding the Fourth Proportional to 13,723.56, 20,583.05 and 3,862.89

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Solution

The fourth proportional to 13,723.56, 20,583.05 and 3,862.89 is: 5,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.56 : 20,583.05 = 3,862.89 : x
  2. Step 2: Convert to fraction form
    13,723.56/20,583.05 = 3,862.89/x
  3. Step 3: Cross multiply
    13,723.56x = 20,583.05 × 3,862.89
  4. Step 4: Simplify right side
    13,723.56x = 79,510,038.70
  5. Step 5: Solve for x
    x = 79,510,038.70/13,723.56
  6. Step 6: Final answer
    x = 5,793.69

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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.