Home / 12,108.35-18,164.25-5,863.23

Finding the Fourth Proportional to 12,108.35, 18,164.25 and 5,863.23

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Solution

The fourth proportional to 12,108.35, 18,164.25 and 5,863.23 is: 8,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.35 : 18,164.25 = 5,863.23 : x
  2. Step 2: Convert to fraction form
    12,108.35/18,164.25 = 5,863.23/x
  3. Step 3: Cross multiply
    12,108.35x = 18,164.25 × 5,863.23
  4. Step 4: Simplify right side
    12,108.35x = 106,501,175.53
  5. Step 5: Solve for x
    x = 106,501,175.53/12,108.35
  6. Step 6: Final answer
    x = 8,795.68

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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.