Home / 12,779.36-19,169.04-4,015.04

Finding the Fourth Proportional to 12,779.36, 19,169.04 and 4,015.04

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Solution

The fourth proportional to 12,779.36, 19,169.04 and 4,015.04 is: 6,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779.36 : 19,169.04 = 4,015.04 : x
  2. Step 2: Convert to fraction form
    12,779.36/19,169.04 = 4,015.04/x
  3. Step 3: Cross multiply
    12,779.36x = 19,169.04 × 4,015.04
  4. Step 4: Simplify right side
    12,779.36x = 76,964,462.36
  5. Step 5: Solve for x
    x = 76,964,462.36/12,779.36
  6. Step 6: Final answer
    x = 6,022.56

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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.