Home / 12,882.44-19,325.04-4,115.32

Finding the Fourth Proportional to 12,882.44, 19,325.04 and 4,115.32

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Solution

The fourth proportional to 12,882.44, 19,325.04 and 4,115.32 is: 6,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.44 : 19,325.04 = 4,115.32 : x
  2. Step 2: Convert to fraction form
    12,882.44/19,325.04 = 4,115.32/x
  3. Step 3: Cross multiply
    12,882.44x = 19,325.04 × 4,115.32
  4. Step 4: Simplify right side
    12,882.44x = 79,528,723.61
  5. Step 5: Solve for x
    x = 79,528,723.61/12,882.44
  6. Step 6: Final answer
    x = 6,173.42

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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.