Home / 11,930.83-17,890.17-4,529.67

Finding the Fourth Proportional to 11,930.83, 17,890.17 and 4,529.67

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Solution

The fourth proportional to 11,930.83, 17,890.17 and 4,529.67 is: 6,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.83 : 17,890.17 = 4,529.67 : x
  2. Step 2: Convert to fraction form
    11,930.83/17,890.17 = 4,529.67/x
  3. Step 3: Cross multiply
    11,930.83x = 17,890.17 × 4,529.67
  4. Step 4: Simplify right side
    11,930.83x = 81,036,566.34
  5. Step 5: Solve for x
    x = 81,036,566.34/11,930.83
  6. Step 6: Final answer
    x = 6,792.20

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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.