Home / 21,861.44-32,792.12-6,279.04

Finding the Fourth Proportional to 21,861.44, 32,792.12 and 6,279.04

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Solution

The fourth proportional to 21,861.44, 32,792.12 and 6,279.04 is: 9,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.44 : 32,792.12 = 6,279.04 : x
  2. Step 2: Convert to fraction form
    21,861.44/32,792.12 = 6,279.04/x
  3. Step 3: Cross multiply
    21,861.44x = 32,792.12 × 6,279.04
  4. Step 4: Simplify right side
    21,861.44x = 205,903,033.16
  5. Step 5: Solve for x
    x = 205,903,033.16/21,861.44
  6. Step 6: Final answer
    x = 9,418.55

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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.