Home / 14,481.04-19,979.19-8,106.69

Finding the Fourth Proportional to 14,481.04, 19,979.19 and 8,106.69

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Solution

The fourth proportional to 14,481.04, 19,979.19 and 8,106.69 is: 11,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.04 : 19,979.19 = 8,106.69 : x
  2. Step 2: Convert to fraction form
    14,481.04/19,979.19 = 8,106.69/x
  3. Step 3: Cross multiply
    14,481.04x = 19,979.19 × 8,106.69
  4. Step 4: Simplify right side
    14,481.04x = 161,965,174.70
  5. Step 5: Solve for x
    x = 161,965,174.70/14,481.04
  6. Step 6: Final answer
    x = 11,184.64

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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.