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Finding the Fourth Proportional to 18,645.77, 27,962.00 and 6,163.49

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Solution

The fourth proportional to 18,645.77, 27,962.00 and 6,163.49 is: 9,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.77 : 27,962.00 = 6,163.49 : x
  2. Step 2: Convert to fraction form
    18,645.77/27,962.00 = 6,163.49/x
  3. Step 3: Cross multiply
    18,645.77x = 27,962.00 × 6,163.49
  4. Step 4: Simplify right side
    18,645.77x = 172,343,569.58
  5. Step 5: Solve for x
    x = 172,343,569.58/18,645.77
  6. Step 6: Final answer
    x = 9,243.04

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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.