Home / 18,537.66-27,805.14-5,389.34

Finding the Fourth Proportional to 18,537.66, 27,805.14 and 5,389.34

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Solution

The fourth proportional to 18,537.66, 27,805.14 and 5,389.34 is: 8,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.66 : 27,805.14 = 5,389.34 : x
  2. Step 2: Convert to fraction form
    18,537.66/27,805.14 = 5,389.34/x
  3. Step 3: Cross multiply
    18,537.66x = 27,805.14 × 5,389.34
  4. Step 4: Simplify right side
    18,537.66x = 149,851,214.18
  5. Step 5: Solve for x
    x = 149,851,214.18/18,537.66
  6. Step 6: Final answer
    x = 8,083.61

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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.