Home / 11,403.19-15,735.01-6,367.69

Finding the Fourth Proportional to 11,403.19, 15,735.01 and 6,367.69

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Solution

The fourth proportional to 11,403.19, 15,735.01 and 6,367.69 is: 8,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.19 : 15,735.01 = 6,367.69 : x
  2. Step 2: Convert to fraction form
    11,403.19/15,735.01 = 6,367.69/x
  3. Step 3: Cross multiply
    11,403.19x = 15,735.01 × 6,367.69
  4. Step 4: Simplify right side
    11,403.19x = 100,195,555.31
  5. Step 5: Solve for x
    x = 100,195,555.31/11,403.19
  6. Step 6: Final answer
    x = 8,786.63

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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.