Home / 17,221.80-25,833.78-5,536.20

Finding the Fourth Proportional to 17,221.80, 25,833.78 and 5,536.20

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Solution

The fourth proportional to 17,221.80, 25,833.78 and 5,536.20 is: 8,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.80 : 25,833.78 = 5,536.20 : x
  2. Step 2: Convert to fraction form
    17,221.80/25,833.78 = 5,536.20/x
  3. Step 3: Cross multiply
    17,221.80x = 25,833.78 × 5,536.20
  4. Step 4: Simplify right side
    17,221.80x = 143,020,972.84
  5. Step 5: Solve for x
    x = 143,020,972.84/17,221.80
  6. Step 6: Final answer
    x = 8,304.65

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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.