Home / 18,000.57-26,998.11-6,912.48

Finding the Fourth Proportional to 18,000.57, 26,998.11 and 6,912.48

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Solution

The fourth proportional to 18,000.57, 26,998.11 and 6,912.48 is: 10,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.57 : 26,998.11 = 6,912.48 : x
  2. Step 2: Convert to fraction form
    18,000.57/26,998.11 = 6,912.48/x
  3. Step 3: Cross multiply
    18,000.57x = 26,998.11 × 6,912.48
  4. Step 4: Simplify right side
    18,000.57x = 186,623,725.86
  5. Step 5: Solve for x
    x = 186,623,725.86/18,000.57
  6. Step 6: Final answer
    x = 10,367.66

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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.