Home / 11,189.28-16,782.82-3,792.87

Finding the Fourth Proportional to 11,189.28, 16,782.82 and 3,792.87

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Solution

The fourth proportional to 11,189.28, 16,782.82 and 3,792.87 is: 5,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.28 : 16,782.82 = 3,792.87 : x
  2. Step 2: Convert to fraction form
    11,189.28/16,782.82 = 3,792.87/x
  3. Step 3: Cross multiply
    11,189.28x = 16,782.82 × 3,792.87
  4. Step 4: Simplify right side
    11,189.28x = 63,655,054.49
  5. Step 5: Solve for x
    x = 63,655,054.49/11,189.28
  6. Step 6: Final answer
    x = 5,688.93

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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.