Home / 21,446.46-32,169.87-8,300.34

Finding the Fourth Proportional to 21,446.46, 32,169.87 and 8,300.34

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Solution

The fourth proportional to 21,446.46, 32,169.87 and 8,300.34 is: 12,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.46 : 32,169.87 = 8,300.34 : x
  2. Step 2: Convert to fraction form
    21,446.46/32,169.87 = 8,300.34/x
  3. Step 3: Cross multiply
    21,446.46x = 32,169.87 × 8,300.34
  4. Step 4: Simplify right side
    21,446.46x = 267,020,858.76
  5. Step 5: Solve for x
    x = 267,020,858.76/21,446.46
  6. Step 6: Final answer
    x = 12,450.58

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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.