Home / 18,042.30-27,058.82-8,545.25

Finding the Fourth Proportional to 18,042.30, 27,058.82 and 8,545.25

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Solution

The fourth proportional to 18,042.30, 27,058.82 and 8,545.25 is: 12,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.30 : 27,058.82 = 8,545.25 : x
  2. Step 2: Convert to fraction form
    18,042.30/27,058.82 = 8,545.25/x
  3. Step 3: Cross multiply
    18,042.30x = 27,058.82 × 8,545.25
  4. Step 4: Simplify right side
    18,042.30x = 231,224,406.53
  5. Step 5: Solve for x
    x = 231,224,406.53/18,042.30
  6. Step 6: Final answer
    x = 12,815.68

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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.