Home / 18,136.28-27,189.66-7,037.24

Finding the Fourth Proportional to 18,136.28, 27,189.66 and 7,037.24

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Solution

The fourth proportional to 18,136.28, 27,189.66 and 7,037.24 is: 10,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.28 : 27,189.66 = 7,037.24 : x
  2. Step 2: Convert to fraction form
    18,136.28/27,189.66 = 7,037.24/x
  3. Step 3: Cross multiply
    18,136.28x = 27,189.66 × 7,037.24
  4. Step 4: Simplify right side
    18,136.28x = 191,340,162.94
  5. Step 5: Solve for x
    x = 191,340,162.94/18,136.28
  6. Step 6: Final answer
    x = 10,550.13

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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.