Home / 17,620.77-26,379.31-11,762.85

Finding the Fourth Proportional to 17,620.77, 26,379.31 and 11,762.85

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Solution

The fourth proportional to 17,620.77, 26,379.31 and 11,762.85 is: 17,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.77 : 26,379.31 = 11,762.85 : x
  2. Step 2: Convert to fraction form
    17,620.77/26,379.31 = 11,762.85/x
  3. Step 3: Cross multiply
    17,620.77x = 26,379.31 × 11,762.85
  4. Step 4: Simplify right side
    17,620.77x = 310,295,866.63
  5. Step 5: Solve for x
    x = 310,295,866.63/17,620.77
  6. Step 6: Final answer
    x = 17,609.67

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1.5x scale

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.