Home / 22,416.20-30,927.54-12,982.94

Finding the Fourth Proportional to 22,416.20, 30,927.54 and 12,982.94

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Solution

The fourth proportional to 22,416.20, 30,927.54 and 12,982.94 is: 17,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.20 : 30,927.54 = 12,982.94 : x
  2. Step 2: Convert to fraction form
    22,416.20/30,927.54 = 12,982.94/x
  3. Step 3: Cross multiply
    22,416.20x = 30,927.54 × 12,982.94
  4. Step 4: Simplify right side
    22,416.20x = 401,530,396.17
  5. Step 5: Solve for x
    x = 401,530,396.17/22,416.20
  6. Step 6: Final answer
    x = 17,912.51

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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.