Home / 21,993.26-32,992.65-7,198.20

Finding the Fourth Proportional to 21,993.26, 32,992.65 and 7,198.20

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Solution

The fourth proportional to 21,993.26, 32,992.65 and 7,198.20 is: 10,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.26 : 32,992.65 = 7,198.20 : x
  2. Step 2: Convert to fraction form
    21,993.26/32,992.65 = 7,198.20/x
  3. Step 3: Cross multiply
    21,993.26x = 32,992.65 × 7,198.20
  4. Step 4: Simplify right side
    21,993.26x = 237,487,693.23
  5. Step 5: Solve for x
    x = 237,487,693.23/21,993.26
  6. Step 6: Final answer
    x = 10,798.21

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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.