Home / 21,450.26-32,131.59-11,040.14

Finding the Fourth Proportional to 21,450.26, 32,131.59 and 11,040.14

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Solution

The fourth proportional to 21,450.26, 32,131.59 and 11,040.14 is: 16,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.26 : 32,131.59 = 11,040.14 : x
  2. Step 2: Convert to fraction form
    21,450.26/32,131.59 = 11,040.14/x
  3. Step 3: Cross multiply
    21,450.26x = 32,131.59 × 11,040.14
  4. Step 4: Simplify right side
    21,450.26x = 354,737,252.02
  5. Step 5: Solve for x
    x = 354,737,252.02/21,450.26
  6. Step 6: Final answer
    x = 16,537.67

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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.