Home / 21,744.44-30,006.49-12,313.03

Finding the Fourth Proportional to 21,744.44, 30,006.49 and 12,313.03

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Solution

The fourth proportional to 21,744.44, 30,006.49 and 12,313.03 is: 16,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.44 : 30,006.49 = 12,313.03 : x
  2. Step 2: Convert to fraction form
    21,744.44/30,006.49 = 12,313.03/x
  3. Step 3: Cross multiply
    21,744.44x = 30,006.49 × 12,313.03
  4. Step 4: Simplify right side
    21,744.44x = 369,470,599.97
  5. Step 5: Solve for x
    x = 369,470,599.97/21,744.44
  6. Step 6: Final answer
    x = 16,991.50

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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.