Home / 18,136.20-27,229.26-9,377.16

Finding the Fourth Proportional to 18,136.20, 27,229.26 and 9,377.16

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Solution

The fourth proportional to 18,136.20, 27,229.26 and 9,377.16 is: 14,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.20 : 27,229.26 = 9,377.16 : x
  2. Step 2: Convert to fraction form
    18,136.20/27,229.26 = 9,377.16/x
  3. Step 3: Cross multiply
    18,136.20x = 27,229.26 × 9,377.16
  4. Step 4: Simplify right side
    18,136.20x = 255,333,127.70
  5. Step 5: Solve for x
    x = 255,333,127.70/18,136.20
  6. Step 6: Final answer
    x = 14,078.65

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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.