Home / 19,107.04-28,651.92-11,213.32

Finding the Fourth Proportional to 19,107.04, 28,651.92 and 11,213.32

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Solution

The fourth proportional to 19,107.04, 28,651.92 and 11,213.32 is: 16,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.04 : 28,651.92 = 11,213.32 : x
  2. Step 2: Convert to fraction form
    19,107.04/28,651.92 = 11,213.32/x
  3. Step 3: Cross multiply
    19,107.04x = 28,651.92 × 11,213.32
  4. Step 4: Simplify right side
    19,107.04x = 321,283,147.57
  5. Step 5: Solve for x
    x = 321,283,147.57/19,107.04
  6. Step 6: Final answer
    x = 16,814.91

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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.