Home / 18,021.63-27,035.05-5,542.71

Finding the Fourth Proportional to 18,021.63, 27,035.05 and 5,542.71

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Solution

The fourth proportional to 18,021.63, 27,035.05 and 5,542.71 is: 8,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.63 : 27,035.05 = 5,542.71 : x
  2. Step 2: Convert to fraction form
    18,021.63/27,035.05 = 5,542.71/x
  3. Step 3: Cross multiply
    18,021.63x = 27,035.05 × 5,542.71
  4. Step 4: Simplify right side
    18,021.63x = 149,847,428.13
  5. Step 5: Solve for x
    x = 149,847,428.13/18,021.63
  6. Step 6: Final answer
    x = 8,314.86

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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.