Home / 21,904.82-30,228.62-12,473.38

Finding the Fourth Proportional to 21,904.82, 30,228.62 and 12,473.38

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Solution

The fourth proportional to 21,904.82, 30,228.62 and 12,473.38 is: 17,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.82 : 30,228.62 = 12,473.38 : x
  2. Step 2: Convert to fraction form
    21,904.82/30,228.62 = 12,473.38/x
  3. Step 3: Cross multiply
    21,904.82x = 30,228.62 × 12,473.38
  4. Step 4: Simplify right side
    21,904.82x = 377,052,926.20
  5. Step 5: Solve for x
    x = 377,052,926.20/21,904.82
  6. Step 6: Final answer
    x = 17,213.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.