Home / 18,243.23-27,353.88-7,136.69

Finding the Fourth Proportional to 18,243.23, 27,353.88 and 7,136.69

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Solution

The fourth proportional to 18,243.23, 27,353.88 and 7,136.69 is: 10,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.23 : 27,353.88 = 7,136.69 : x
  2. Step 2: Convert to fraction form
    18,243.23/27,353.88 = 7,136.69/x
  3. Step 3: Cross multiply
    18,243.23x = 27,353.88 × 7,136.69
  4. Step 4: Simplify right side
    18,243.23x = 195,216,230.24
  5. Step 5: Solve for x
    x = 195,216,230.24/18,243.23
  6. Step 6: Final answer
    x = 10,700.75

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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.