Home / 17,136.48-25,705.20-5,450.40

Finding the Fourth Proportional to 17,136.48, 25,705.20 and 5,450.40

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Solution

The fourth proportional to 17,136.48, 25,705.20 and 5,450.40 is: 8,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.48 : 25,705.20 = 5,450.40 : x
  2. Step 2: Convert to fraction form
    17,136.48/25,705.20 = 5,450.40/x
  3. Step 3: Cross multiply
    17,136.48x = 25,705.20 × 5,450.40
  4. Step 4: Simplify right side
    17,136.48x = 140,103,622.08
  5. Step 5: Solve for x
    x = 140,103,622.08/17,136.48
  6. Step 6: Final answer
    x = 8,175.75

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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.