Home / 13,731.14-20,591.39-4,723.55

Finding the Fourth Proportional to 13,731.14, 20,591.39 and 4,723.55

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Solution

The fourth proportional to 13,731.14, 20,591.39 and 4,723.55 is: 7,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.14 : 20,591.39 = 4,723.55 : x
  2. Step 2: Convert to fraction form
    13,731.14/20,591.39 = 4,723.55/x
  3. Step 3: Cross multiply
    13,731.14x = 20,591.39 × 4,723.55
  4. Step 4: Simplify right side
    13,731.14x = 97,264,333.66
  5. Step 5: Solve for x
    x = 97,264,333.66/13,731.14
  6. Step 6: Final answer
    x = 7,083.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.