Home / 13,310.26-19,966.43-4,425.26

Finding the Fourth Proportional to 13,310.26, 19,966.43 and 4,425.26

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Solution

The fourth proportional to 13,310.26, 19,966.43 and 4,425.26 is: 6,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.26 : 19,966.43 = 4,425.26 : x
  2. Step 2: Convert to fraction form
    13,310.26/19,966.43 = 4,425.26/x
  3. Step 3: Cross multiply
    13,310.26x = 19,966.43 × 4,425.26
  4. Step 4: Simplify right side
    13,310.26x = 88,356,555.25
  5. Step 5: Solve for x
    x = 88,356,555.25/13,310.26
  6. Step 6: Final answer
    x = 6,638.23

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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.