Home / 13,576.73-20,365.14-4,811.90

Finding the Fourth Proportional to 13,576.73, 20,365.14 and 4,811.90

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Solution

The fourth proportional to 13,576.73, 20,365.14 and 4,811.90 is: 7,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.73 : 20,365.14 = 4,811.90 : x
  2. Step 2: Convert to fraction form
    13,576.73/20,365.14 = 4,811.90/x
  3. Step 3: Cross multiply
    13,576.73x = 20,365.14 × 4,811.90
  4. Step 4: Simplify right side
    13,576.73x = 97,995,017.17
  5. Step 5: Solve for x
    x = 97,995,017.17/13,576.73
  6. Step 6: Final answer
    x = 7,217.87

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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.