Home / 12,095.73-18,145.86-4,197.90

Finding the Fourth Proportional to 12,095.73, 18,145.86 and 4,197.90

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Solution

The fourth proportional to 12,095.73, 18,145.86 and 4,197.90 is: 6,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.73 : 18,145.86 = 4,197.90 : x
  2. Step 2: Convert to fraction form
    12,095.73/18,145.86 = 4,197.90/x
  3. Step 3: Cross multiply
    12,095.73x = 18,145.86 × 4,197.90
  4. Step 4: Simplify right side
    12,095.73x = 76,174,505.69
  5. Step 5: Solve for x
    x = 76,174,505.69/12,095.73
  6. Step 6: Final answer
    x = 6,297.64

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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.