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Finding the Fourth Proportional to 17,950.50, 26,939.73 and 6,865.05

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Solution

The fourth proportional to 17,950.50, 26,939.73 and 6,865.05 is: 10,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.50 : 26,939.73 = 6,865.05 : x
  2. Step 2: Convert to fraction form
    17,950.50/26,939.73 = 6,865.05/x
  3. Step 3: Cross multiply
    17,950.50x = 26,939.73 × 6,865.05
  4. Step 4: Simplify right side
    17,950.50x = 184,942,593.44
  5. Step 5: Solve for x
    x = 184,942,593.44/17,950.50
  6. Step 6: Final answer
    x = 10,302.92

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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.