Home / 18,451.62-27,685.56-9,684.42

Finding the Fourth Proportional to 18,451.62, 27,685.56 and 9,684.42

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Solution

The fourth proportional to 18,451.62, 27,685.56 and 9,684.42 is: 14,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.62 : 27,685.56 = 9,684.42 : x
  2. Step 2: Convert to fraction form
    18,451.62/27,685.56 = 9,684.42/x
  3. Step 3: Cross multiply
    18,451.62x = 27,685.56 × 9,684.42
  4. Step 4: Simplify right side
    18,451.62x = 268,118,590.98
  5. Step 5: Solve for x
    x = 268,118,590.98/18,451.62
  6. Step 6: Final answer
    x = 14,530.90

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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.