Home / 12,175.92-18,269.68-6,629.04

Finding the Fourth Proportional to 12,175.92, 18,269.68 and 6,629.04

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Solution

The fourth proportional to 12,175.92, 18,269.68 and 6,629.04 is: 9,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.92 : 18,269.68 = 6,629.04 : x
  2. Step 2: Convert to fraction form
    12,175.92/18,269.68 = 6,629.04/x
  3. Step 3: Cross multiply
    12,175.92x = 18,269.68 × 6,629.04
  4. Step 4: Simplify right side
    12,175.92x = 121,110,439.51
  5. Step 5: Solve for x
    x = 121,110,439.51/12,175.92
  6. Step 6: Final answer
    x = 9,946.72

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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.