Home / 18,411.03-27,623.36-11,020.66

Finding the Fourth Proportional to 18,411.03, 27,623.36 and 11,020.66

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Solution

The fourth proportional to 18,411.03, 27,623.36 and 11,020.66 is: 16,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.03 : 27,623.36 = 11,020.66 : x
  2. Step 2: Convert to fraction form
    18,411.03/27,623.36 = 11,020.66/x
  3. Step 3: Cross multiply
    18,411.03x = 27,623.36 × 11,020.66
  4. Step 4: Simplify right side
    18,411.03x = 304,427,617.11
  5. Step 5: Solve for x
    x = 304,427,617.11/18,411.03
  6. Step 6: Final answer
    x = 16,535.07

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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.