Home / 12,095.73-18,132.66-8,399.70

Finding the Fourth Proportional to 12,095.73, 18,132.66 and 8,399.70

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Solution

The fourth proportional to 12,095.73, 18,132.66 and 8,399.70 is: 12,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.73 : 18,132.66 = 8,399.70 : x
  2. Step 2: Convert to fraction form
    12,095.73/18,132.66 = 8,399.70/x
  3. Step 3: Cross multiply
    12,095.73x = 18,132.66 × 8,399.70
  4. Step 4: Simplify right side
    12,095.73x = 152,308,904.20
  5. Step 5: Solve for x
    x = 152,308,904.20/12,095.73
  6. Step 6: Final answer
    x = 12,591.96

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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.