Home / 20,674.74-30,992.32-6,625.70

Finding the Fourth Proportional to 20,674.74, 30,992.32 and 6,625.70

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Solution

The fourth proportional to 20,674.74, 30,992.32 and 6,625.70 is: 9,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.74 : 30,992.32 = 6,625.70 : x
  2. Step 2: Convert to fraction form
    20,674.74/30,992.32 = 6,625.70/x
  3. Step 3: Cross multiply
    20,674.74x = 30,992.32 × 6,625.70
  4. Step 4: Simplify right side
    20,674.74x = 205,345,784.17
  5. Step 5: Solve for x
    x = 205,345,784.17/20,674.74
  6. Step 6: Final answer
    x = 9,932.20

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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.