Home / 12,884.08-19,329.54-4,119.16

Finding the Fourth Proportional to 12,884.08, 19,329.54 and 4,119.16

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Solution

The fourth proportional to 12,884.08, 19,329.54 and 4,119.16 is: 6,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.08 : 19,329.54 = 4,119.16 : x
  2. Step 2: Convert to fraction form
    12,884.08/19,329.54 = 4,119.16/x
  3. Step 3: Cross multiply
    12,884.08x = 19,329.54 × 4,119.16
  4. Step 4: Simplify right side
    12,884.08x = 79,621,467.99
  5. Step 5: Solve for x
    x = 79,621,467.99/12,884.08
  6. Step 6: Final answer
    x = 6,179.83

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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.