Home / 17,815.82-26,706.11-8,439.36

Finding the Fourth Proportional to 17,815.82, 26,706.11 and 8,439.36

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Solution

The fourth proportional to 17,815.82, 26,706.11 and 8,439.36 is: 12,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.82 : 26,706.11 = 8,439.36 : x
  2. Step 2: Convert to fraction form
    17,815.82/26,706.11 = 8,439.36/x
  3. Step 3: Cross multiply
    17,815.82x = 26,706.11 × 8,439.36
  4. Step 4: Simplify right side
    17,815.82x = 225,382,334.14
  5. Step 5: Solve for x
    x = 225,382,334.14/17,815.82
  6. Step 6: Final answer
    x = 12,650.69

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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.