Home / 18,141.68-27,212.67-5,491.52

Finding the Fourth Proportional to 18,141.68, 27,212.67 and 5,491.52

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Solution

The fourth proportional to 18,141.68, 27,212.67 and 5,491.52 is: 8,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.68 : 27,212.67 = 5,491.52 : x
  2. Step 2: Convert to fraction form
    18,141.68/27,212.67 = 5,491.52/x
  3. Step 3: Cross multiply
    18,141.68x = 27,212.67 × 5,491.52
  4. Step 4: Simplify right side
    18,141.68x = 149,438,785.50
  5. Step 5: Solve for x
    x = 149,438,785.50/18,141.68
  6. Step 6: Final answer
    x = 8,237.32

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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.