Home / 17,455.10-26,172.20-11,839.67

Finding the Fourth Proportional to 17,455.10, 26,172.20 and 11,839.67

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Solution

The fourth proportional to 17,455.10, 26,172.20 and 11,839.67 is: 17,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.10 : 26,172.20 = 11,839.67 : x
  2. Step 2: Convert to fraction form
    17,455.10/26,172.20 = 11,839.67/x
  3. Step 3: Cross multiply
    17,455.10x = 26,172.20 × 11,839.67
  4. Step 4: Simplify right side
    17,455.10x = 309,870,021.11
  5. Step 5: Solve for x
    x = 309,870,021.11/17,455.10
  6. Step 6: Final answer
    x = 17,752.41

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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.