Home / 13,773.25-20,660.01-5,455.29

Finding the Fourth Proportional to 13,773.25, 20,660.01 and 5,455.29

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Solution

The fourth proportional to 13,773.25, 20,660.01 and 5,455.29 is: 8,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.25 : 20,660.01 = 5,455.29 : x
  2. Step 2: Convert to fraction form
    13,773.25/20,660.01 = 5,455.29/x
  3. Step 3: Cross multiply
    13,773.25x = 20,660.01 × 5,455.29
  4. Step 4: Simplify right side
    13,773.25x = 112,706,345.95
  5. Step 5: Solve for x
    x = 112,706,345.95/13,773.25
  6. Step 6: Final answer
    x = 8,182.99

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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.