Home / 13,217.62-18,241.86-7,553.29

Finding the Fourth Proportional to 13,217.62, 18,241.86 and 7,553.29

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Solution

The fourth proportional to 13,217.62, 18,241.86 and 7,553.29 is: 10,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.62 : 18,241.86 = 7,553.29 : x
  2. Step 2: Convert to fraction form
    13,217.62/18,241.86 = 7,553.29/x
  3. Step 3: Cross multiply
    13,217.62x = 18,241.86 × 7,553.29
  4. Step 4: Simplify right side
    13,217.62x = 137,786,058.72
  5. Step 5: Solve for x
    x = 137,786,058.72/13,217.62
  6. Step 6: Final answer
    x = 10,424.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.