Home / 13,321.26-19,977.03-5,530.68

Finding the Fourth Proportional to 13,321.26, 19,977.03 and 5,530.68

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Solution

The fourth proportional to 13,321.26, 19,977.03 and 5,530.68 is: 8,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.26 : 19,977.03 = 5,530.68 : x
  2. Step 2: Convert to fraction form
    13,321.26/19,977.03 = 5,530.68/x
  3. Step 3: Cross multiply
    13,321.26x = 19,977.03 × 5,530.68
  4. Step 4: Simplify right side
    13,321.26x = 110,486,560.28
  5. Step 5: Solve for x
    x = 110,486,560.28/13,321.26
  6. Step 6: Final answer
    x = 8,294.00

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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.