Home / 18,270.40-27,389.12-6,575.36

Finding the Fourth Proportional to 18,270.40, 27,389.12 and 6,575.36

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Solution

The fourth proportional to 18,270.40, 27,389.12 and 6,575.36 is: 9,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.40 : 27,389.12 = 6,575.36 : x
  2. Step 2: Convert to fraction form
    18,270.40/27,389.12 = 6,575.36/x
  3. Step 3: Cross multiply
    18,270.40x = 27,389.12 × 6,575.36
  4. Step 4: Simplify right side
    18,270.40x = 180,093,324.08
  5. Step 5: Solve for x
    x = 180,093,324.08/18,270.40
  6. Step 6: Final answer
    x = 9,857.11

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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.