Home / 13,217.74-19,824.67-3,855.24

Finding the Fourth Proportional to 13,217.74, 19,824.67 and 3,855.24

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Solution

The fourth proportional to 13,217.74, 19,824.67 and 3,855.24 is: 5,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.74 : 19,824.67 = 3,855.24 : x
  2. Step 2: Convert to fraction form
    13,217.74/19,824.67 = 3,855.24/x
  3. Step 3: Cross multiply
    13,217.74x = 19,824.67 × 3,855.24
  4. Step 4: Simplify right side
    13,217.74x = 76,428,851.13
  5. Step 5: Solve for x
    x = 76,428,851.13/13,217.74
  6. Step 6: Final answer
    x = 5,782.29

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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.