Home / 18,090.41-27,174.49-13,424.81

Finding the Fourth Proportional to 18,090.41, 27,174.49 and 13,424.81

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Solution

The fourth proportional to 18,090.41, 27,174.49 and 13,424.81 is: 20,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.41 : 27,174.49 = 13,424.81 : x
  2. Step 2: Convert to fraction form
    18,090.41/27,174.49 = 13,424.81/x
  3. Step 3: Cross multiply
    18,090.41x = 27,174.49 × 13,424.81
  4. Step 4: Simplify right side
    18,090.41x = 364,812,195.66
  5. Step 5: Solve for x
    x = 364,812,195.66/18,090.41
  6. Step 6: Final answer
    x = 20,166.06

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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.