Home / 18,542.57-27,816.65-5,393.21

Finding the Fourth Proportional to 18,542.57, 27,816.65 and 5,393.21

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Solution

The fourth proportional to 18,542.57, 27,816.65 and 5,393.21 is: 8,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.57 : 27,816.65 = 5,393.21 : x
  2. Step 2: Convert to fraction form
    18,542.57/27,816.65 = 5,393.21/x
  3. Step 3: Cross multiply
    18,542.57x = 27,816.65 × 5,393.21
  4. Step 4: Simplify right side
    18,542.57x = 150,021,007.98
  5. Step 5: Solve for x
    x = 150,021,007.98/18,542.57
  6. Step 6: Final answer
    x = 8,090.63

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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.