Home / 21,244.82-31,847.30-7,195.04

Finding the Fourth Proportional to 21,244.82, 31,847.30 and 7,195.04

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Solution

The fourth proportional to 21,244.82, 31,847.30 and 7,195.04 is: 10,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.82 : 31,847.30 = 7,195.04 : x
  2. Step 2: Convert to fraction form
    21,244.82/31,847.30 = 7,195.04/x
  3. Step 3: Cross multiply
    21,244.82x = 31,847.30 × 7,195.04
  4. Step 4: Simplify right side
    21,244.82x = 229,142,597.39
  5. Step 5: Solve for x
    x = 229,142,597.39/21,244.82
  6. Step 6: Final answer
    x = 10,785.81

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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.