Home / 11,330.57-16,991.51-3,730.07

Finding the Fourth Proportional to 11,330.57, 16,991.51 and 3,730.07

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Solution

The fourth proportional to 11,330.57, 16,991.51 and 3,730.07 is: 5,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.57 : 16,991.51 = 3,730.07 : x
  2. Step 2: Convert to fraction form
    11,330.57/16,991.51 = 3,730.07/x
  3. Step 3: Cross multiply
    11,330.57x = 16,991.51 × 3,730.07
  4. Step 4: Simplify right side
    11,330.57x = 63,379,418.10
  5. Step 5: Solve for x
    x = 63,379,418.10/11,330.57
  6. Step 6: Final answer
    x = 5,593.67

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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.