Home / 18,021.57-27,032.36-6,926.19

Finding the Fourth Proportional to 18,021.57, 27,032.36 and 6,926.19

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Solution

The fourth proportional to 18,021.57, 27,032.36 and 6,926.19 is: 10,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.57 : 27,032.36 = 6,926.19 : x
  2. Step 2: Convert to fraction form
    18,021.57/27,032.36 = 6,926.19/x
  3. Step 3: Cross multiply
    18,021.57x = 27,032.36 × 6,926.19
  4. Step 4: Simplify right side
    18,021.57x = 187,231,226.88
  5. Step 5: Solve for x
    x = 187,231,226.88/18,021.57
  6. Step 6: Final answer
    x = 10,389.29

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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.