Home / 21,441.40-32,166.90-8,292.60

Finding the Fourth Proportional to 21,441.40, 32,166.90 and 8,292.60

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Solution

The fourth proportional to 21,441.40, 32,166.90 and 8,292.60 is: 12,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.40 : 32,166.90 = 8,292.60 : x
  2. Step 2: Convert to fraction form
    21,441.40/32,166.90 = 8,292.60/x
  3. Step 3: Cross multiply
    21,441.40x = 32,166.90 × 8,292.60
  4. Step 4: Simplify right side
    21,441.40x = 266,747,234.94
  5. Step 5: Solve for x
    x = 266,747,234.94/21,441.40
  6. Step 6: Final answer
    x = 12,440.76

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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.