Home / 18,648.12-27,968.11-6,165.19

Finding the Fourth Proportional to 18,648.12, 27,968.11 and 6,165.19

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Solution

The fourth proportional to 18,648.12, 27,968.11 and 6,165.19 is: 9,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.12 : 27,968.11 = 6,165.19 : x
  2. Step 2: Convert to fraction form
    18,648.12/27,968.11 = 6,165.19/x
  3. Step 3: Cross multiply
    18,648.12x = 27,968.11 × 6,165.19
  4. Step 4: Simplify right side
    18,648.12x = 172,428,712.09
  5. Step 5: Solve for x
    x = 172,428,712.09/18,648.12
  6. Step 6: Final answer
    x = 9,246.44

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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.