Home / 12,584.05-18,885.11-4,687.65

Finding the Fourth Proportional to 12,584.05, 18,885.11 and 4,687.65

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Solution

The fourth proportional to 12,584.05, 18,885.11 and 4,687.65 is: 7,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.05 : 18,885.11 = 4,687.65 : x
  2. Step 2: Convert to fraction form
    12,584.05/18,885.11 = 4,687.65/x
  3. Step 3: Cross multiply
    12,584.05x = 18,885.11 × 4,687.65
  4. Step 4: Simplify right side
    12,584.05x = 88,526,785.89
  5. Step 5: Solve for x
    x = 88,526,785.89/12,584.05
  6. Step 6: Final answer
    x = 7,034.84

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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.