Home / 18,101.62-24,979.99-10,144.00

Finding the Fourth Proportional to 18,101.62, 24,979.99 and 10,144.00

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Solution

The fourth proportional to 18,101.62, 24,979.99 and 10,144.00 is: 13,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.62 : 24,979.99 = 10,144.00 : x
  2. Step 2: Convert to fraction form
    18,101.62/24,979.99 = 10,144.00/x
  3. Step 3: Cross multiply
    18,101.62x = 24,979.99 × 10,144.00
  4. Step 4: Simplify right side
    18,101.62x = 253,396,842.94
  5. Step 5: Solve for x
    x = 253,396,842.94/18,101.62
  6. Step 6: Final answer
    x = 13,998.58

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1.5x scale

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.