Home / 21,724.12-32,578.62-6,137.56

Finding the Fourth Proportional to 21,724.12, 32,578.62 and 6,137.56

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Solution

The fourth proportional to 21,724.12, 32,578.62 and 6,137.56 is: 9,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.12 : 32,578.62 = 6,137.56 : x
  2. Step 2: Convert to fraction form
    21,724.12/32,578.62 = 6,137.56/x
  3. Step 3: Cross multiply
    21,724.12x = 32,578.62 × 6,137.56
  4. Step 4: Simplify right side
    21,724.12x = 199,953,234.97
  5. Step 5: Solve for x
    x = 199,953,234.97/21,724.12
  6. Step 6: Final answer
    x = 9,204.20

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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.