Home / 21,739.56-32,608.53-6,156.78

Finding the Fourth Proportional to 21,739.56, 32,608.53 and 6,156.78

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Solution

The fourth proportional to 21,739.56, 32,608.53 and 6,156.78 is: 9,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.56 : 32,608.53 = 6,156.78 : x
  2. Step 2: Convert to fraction form
    21,739.56/32,608.53 = 6,156.78/x
  3. Step 3: Cross multiply
    21,739.56x = 32,608.53 × 6,156.78
  4. Step 4: Simplify right side
    21,739.56x = 200,763,545.33
  5. Step 5: Solve for x
    x = 200,763,545.33/21,739.56
  6. Step 6: Final answer
    x = 9,234.94

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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.