Home / 20,914.98-31,372.26-5,332.44

Finding the Fourth Proportional to 20,914.98, 31,372.26 and 5,332.44

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Solution

The fourth proportional to 20,914.98, 31,372.26 and 5,332.44 is: 7,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.98 : 31,372.26 = 5,332.44 : x
  2. Step 2: Convert to fraction form
    20,914.98/31,372.26 = 5,332.44/x
  3. Step 3: Cross multiply
    20,914.98x = 31,372.26 × 5,332.44
  4. Step 4: Simplify right side
    20,914.98x = 167,290,694.11
  5. Step 5: Solve for x
    x = 167,290,694.11/20,914.98
  6. Step 6: Final answer
    x = 7,998.61

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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.