Home / 11,288.92-15,579.27-6,812.59

Finding the Fourth Proportional to 11,288.92, 15,579.27 and 6,812.59

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Solution

The fourth proportional to 11,288.92, 15,579.27 and 6,812.59 is: 9,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.92 : 15,579.27 = 6,812.59 : x
  2. Step 2: Convert to fraction form
    11,288.92/15,579.27 = 6,812.59/x
  3. Step 3: Cross multiply
    11,288.92x = 15,579.27 × 6,812.59
  4. Step 4: Simplify right side
    11,288.92x = 106,135,144.95
  5. Step 5: Solve for x
    x = 106,135,144.95/11,288.92
  6. Step 6: Final answer
    x = 9,401.71

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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.