Home / 13,952.29-20,910.62-6,540.42

Finding the Fourth Proportional to 13,952.29, 20,910.62 and 6,540.42

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Solution

The fourth proportional to 13,952.29, 20,910.62 and 6,540.42 is: 9,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.29 : 20,910.62 = 6,540.42 : x
  2. Step 2: Convert to fraction form
    13,952.29/20,910.62 = 6,540.42/x
  3. Step 3: Cross multiply
    13,952.29x = 20,910.62 × 6,540.42
  4. Step 4: Simplify right side
    13,952.29x = 136,764,204.56
  5. Step 5: Solve for x
    x = 136,764,204.56/13,952.29
  6. Step 6: Final answer
    x = 9,802.28

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1.5x scale

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.