Home / 18,089.58-27,138.59-5,608.95

Finding the Fourth Proportional to 18,089.58, 27,138.59 and 5,608.95

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Solution

The fourth proportional to 18,089.58, 27,138.59 and 5,608.95 is: 8,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.58 : 27,138.59 = 5,608.95 : x
  2. Step 2: Convert to fraction form
    18,089.58/27,138.59 = 5,608.95/x
  3. Step 3: Cross multiply
    18,089.58x = 27,138.59 × 5,608.95
  4. Step 4: Simplify right side
    18,089.58x = 152,218,994.38
  5. Step 5: Solve for x
    x = 152,218,994.38/18,089.58
  6. Step 6: Final answer
    x = 8,414.73

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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.