Home / 11,647.60-17,472.09-3,326.98

Finding the Fourth Proportional to 11,647.60, 17,472.09 and 3,326.98

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Solution

The fourth proportional to 11,647.60, 17,472.09 and 3,326.98 is: 4,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.60 : 17,472.09 = 3,326.98 : x
  2. Step 2: Convert to fraction form
    11,647.60/17,472.09 = 3,326.98/x
  3. Step 3: Cross multiply
    11,647.60x = 17,472.09 × 3,326.98
  4. Step 4: Simplify right side
    11,647.60x = 58,129,293.99
  5. Step 5: Solve for x
    x = 58,129,293.99/11,647.60
  6. Step 6: Final answer
    x = 4,990.67

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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.