Home / 13,301.57-19,952.45-3,813.90

Finding the Fourth Proportional to 13,301.57, 19,952.45 and 3,813.90

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Solution

The fourth proportional to 13,301.57, 19,952.45 and 3,813.90 is: 5,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.57 : 19,952.45 = 3,813.90 : x
  2. Step 2: Convert to fraction form
    13,301.57/19,952.45 = 3,813.90/x
  3. Step 3: Cross multiply
    13,301.57x = 19,952.45 × 3,813.90
  4. Step 4: Simplify right side
    13,301.57x = 76,096,629.99
  5. Step 5: Solve for x
    x = 76,096,629.99/13,301.57
  6. Step 6: Final answer
    x = 5,720.88

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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.