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Finding the Fourth Proportional to 14,452.04, 21,680.99 and 8,215.04

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Solution

The fourth proportional to 14,452.04, 21,680.99 and 8,215.04 is: 12,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.04 : 21,680.99 = 8,215.04 : x
  2. Step 2: Convert to fraction form
    14,452.04/21,680.99 = 8,215.04/x
  3. Step 3: Cross multiply
    14,452.04x = 21,680.99 × 8,215.04
  4. Step 4: Simplify right side
    14,452.04x = 178,110,200.09
  5. Step 5: Solve for x
    x = 178,110,200.09/14,452.04
  6. Step 6: Final answer
    x = 12,324.23

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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.