Home / 11,426.83-15,769.38-6,391.27

Finding the Fourth Proportional to 11,426.83, 15,769.38 and 6,391.27

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Solution

The fourth proportional to 11,426.83, 15,769.38 and 6,391.27 is: 8,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.83 : 15,769.38 = 6,391.27 : x
  2. Step 2: Convert to fraction form
    11,426.83/15,769.38 = 6,391.27/x
  3. Step 3: Cross multiply
    11,426.83x = 15,769.38 × 6,391.27
  4. Step 4: Simplify right side
    11,426.83x = 100,786,365.31
  5. Step 5: Solve for x
    x = 100,786,365.31/11,426.83
  6. Step 6: Final answer
    x = 8,820.15

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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.