Home / 14,121.02-21,193.20-7,103.04

Finding the Fourth Proportional to 14,121.02, 21,193.20 and 7,103.04

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Solution

The fourth proportional to 14,121.02, 21,193.20 and 7,103.04 is: 10,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.02 : 21,193.20 = 7,103.04 : x
  2. Step 2: Convert to fraction form
    14,121.02/21,193.20 = 7,103.04/x
  3. Step 3: Cross multiply
    14,121.02x = 21,193.20 × 7,103.04
  4. Step 4: Simplify right side
    14,121.02x = 150,536,147.33
  5. Step 5: Solve for x
    x = 150,536,147.33/14,121.02
  6. Step 6: Final answer
    x = 10,660.43

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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.