Home / 18,136.03-27,204.07-9,819.96

Finding the Fourth Proportional to 18,136.03, 27,204.07 and 9,819.96

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Solution

The fourth proportional to 18,136.03, 27,204.07 and 9,819.96 is: 14,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.03 : 27,204.07 = 9,819.96 : x
  2. Step 2: Convert to fraction form
    18,136.03/27,204.07 = 9,819.96/x
  3. Step 3: Cross multiply
    18,136.03x = 27,204.07 × 9,819.96
  4. Step 4: Simplify right side
    18,136.03x = 267,142,879.24
  5. Step 5: Solve for x
    x = 267,142,879.24/18,136.03
  6. Step 6: Final answer
    x = 14,729.95

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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.