Home / 21,943.84-30,282.46-11,872.24

Finding the Fourth Proportional to 21,943.84, 30,282.46 and 11,872.24

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Solution

The fourth proportional to 21,943.84, 30,282.46 and 11,872.24 is: 16,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.84 : 30,282.46 = 11,872.24 : x
  2. Step 2: Convert to fraction form
    21,943.84/30,282.46 = 11,872.24/x
  3. Step 3: Cross multiply
    21,943.84x = 30,282.46 × 11,872.24
  4. Step 4: Simplify right side
    21,943.84x = 359,520,632.91
  5. Step 5: Solve for x
    x = 359,520,632.91/21,943.84
  6. Step 6: Final answer
    x = 16,383.67

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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.