Home / 13,339.82-20,015.54-6,324.75

Finding the Fourth Proportional to 13,339.82, 20,015.54 and 6,324.75

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Solution

The fourth proportional to 13,339.82, 20,015.54 and 6,324.75 is: 9,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.82 : 20,015.54 = 6,324.75 : x
  2. Step 2: Convert to fraction form
    13,339.82/20,015.54 = 6,324.75/x
  3. Step 3: Cross multiply
    13,339.82x = 20,015.54 × 6,324.75
  4. Step 4: Simplify right side
    13,339.82x = 126,593,278.71
  5. Step 5: Solve for x
    x = 126,593,278.71/13,339.82
  6. Step 6: Final answer
    x = 9,489.88

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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.