Home / 13,673.00-18,870.17-8,371.35

Finding the Fourth Proportional to 13,673.00, 18,870.17 and 8,371.35

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Solution

The fourth proportional to 13,673.00, 18,870.17 and 8,371.35 is: 11,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.00 : 18,870.17 = 8,371.35 : x
  2. Step 2: Convert to fraction form
    13,673.00/18,870.17 = 8,371.35/x
  3. Step 3: Cross multiply
    13,673.00x = 18,870.17 × 8,371.35
  4. Step 4: Simplify right side
    13,673.00x = 157,968,755.77
  5. Step 5: Solve for x
    x = 157,968,755.77/13,673.00
  6. Step 6: Final answer
    x = 11,553.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.