Home / 18,647.12-27,966.62-6,164.19

Finding the Fourth Proportional to 18,647.12, 27,966.62 and 6,164.19

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Solution

The fourth proportional to 18,647.12, 27,966.62 and 6,164.19 is: 9,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.12 : 27,966.62 = 6,164.19 : x
  2. Step 2: Convert to fraction form
    18,647.12/27,966.62 = 6,164.19/x
  3. Step 3: Cross multiply
    18,647.12x = 27,966.62 × 6,164.19
  4. Step 4: Simplify right side
    18,647.12x = 172,391,528.52
  5. Step 5: Solve for x
    x = 172,391,528.52/18,647.12
  6. Step 6: Final answer
    x = 9,244.94

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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.