Home / 21,744.62-30,007.14-12,184.39

Finding the Fourth Proportional to 21,744.62, 30,007.14 and 12,184.39

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Solution

The fourth proportional to 21,744.62, 30,007.14 and 12,184.39 is: 16,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.62 : 30,007.14 = 12,184.39 : x
  2. Step 2: Convert to fraction form
    21,744.62/30,007.14 = 12,184.39/x
  3. Step 3: Cross multiply
    21,744.62x = 30,007.14 × 12,184.39
  4. Step 4: Simplify right side
    21,744.62x = 365,618,696.54
  5. Step 5: Solve for x
    x = 365,618,696.54/21,744.62
  6. Step 6: Final answer
    x = 16,814.21

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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.