Home / 19,786.10-29,679.06-8,099.33

Finding the Fourth Proportional to 19,786.10, 29,679.06 and 8,099.33

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Solution

The fourth proportional to 19,786.10, 29,679.06 and 8,099.33 is: 12,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.10 : 29,679.06 = 8,099.33 : x
  2. Step 2: Convert to fraction form
    19,786.10/29,679.06 = 8,099.33/x
  3. Step 3: Cross multiply
    19,786.10x = 29,679.06 × 8,099.33
  4. Step 4: Simplify right side
    19,786.10x = 240,380,501.03
  5. Step 5: Solve for x
    x = 240,380,501.03/19,786.10
  6. Step 6: Final answer
    x = 12,148.96

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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.