Home / 23,136.20-34,704.30-12,768.20

Finding the Fourth Proportional to 23,136.20, 34,704.30 and 12,768.20

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Solution

The fourth proportional to 23,136.20, 34,704.30 and 12,768.20 is: 19,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.20 : 34,704.30 = 12,768.20 : x
  2. Step 2: Convert to fraction form
    23,136.20/34,704.30 = 12,768.20/x
  3. Step 3: Cross multiply
    23,136.20x = 34,704.30 × 12,768.20
  4. Step 4: Simplify right side
    23,136.20x = 443,111,443.26
  5. Step 5: Solve for x
    x = 443,111,443.26/23,136.20
  6. Step 6: Final answer
    x = 19,152.30

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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.