Home / 21,703.82-32,555.79-6,121.44

Finding the Fourth Proportional to 21,703.82, 32,555.79 and 6,121.44

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Solution

The fourth proportional to 21,703.82, 32,555.79 and 6,121.44 is: 9,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.82 : 32,555.79 = 6,121.44 : x
  2. Step 2: Convert to fraction form
    21,703.82/32,555.79 = 6,121.44/x
  3. Step 3: Cross multiply
    21,703.82x = 32,555.79 × 6,121.44
  4. Step 4: Simplify right side
    21,703.82x = 199,288,315.14
  5. Step 5: Solve for x
    x = 199,288,315.14/21,703.82
  6. Step 6: Final answer
    x = 9,182.18

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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.