Home / 13,982.77-19,288.96-8,668.36

Finding the Fourth Proportional to 13,982.77, 19,288.96 and 8,668.36

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Solution

The fourth proportional to 13,982.77, 19,288.96 and 8,668.36 is: 11,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.77 : 19,288.96 = 8,668.36 : x
  2. Step 2: Convert to fraction form
    13,982.77/19,288.96 = 8,668.36/x
  3. Step 3: Cross multiply
    13,982.77x = 19,288.96 × 8,668.36
  4. Step 4: Simplify right side
    13,982.77x = 167,203,651.75
  5. Step 5: Solve for x
    x = 167,203,651.75/13,982.77
  6. Step 6: Final answer
    x = 11,957.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.