Home / 18,087.08-27,133.18-5,608.08

Finding the Fourth Proportional to 18,087.08, 27,133.18 and 5,608.08

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Solution

The fourth proportional to 18,087.08, 27,133.18 and 5,608.08 is: 8,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.08 : 27,133.18 = 5,608.08 : x
  2. Step 2: Convert to fraction form
    18,087.08/27,133.18 = 5,608.08/x
  3. Step 3: Cross multiply
    18,087.08x = 27,133.18 × 5,608.08
  4. Step 4: Simplify right side
    18,087.08x = 152,165,044.09
  5. Step 5: Solve for x
    x = 152,165,044.09/18,087.08
  6. Step 6: Final answer
    x = 8,412.91

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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.