Home / 12,089.08-18,133.62-3,886.84

Finding the Fourth Proportional to 12,089.08, 18,133.62 and 3,886.84

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Solution

The fourth proportional to 12,089.08, 18,133.62 and 3,886.84 is: 5,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.08 : 18,133.62 = 3,886.84 : x
  2. Step 2: Convert to fraction form
    12,089.08/18,133.62 = 3,886.84/x
  3. Step 3: Cross multiply
    12,089.08x = 18,133.62 × 3,886.84
  4. Step 4: Simplify right side
    12,089.08x = 70,482,479.56
  5. Step 5: Solve for x
    x = 70,482,479.56/12,089.08
  6. Step 6: Final answer
    x = 5,830.26

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Similar ratio
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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.