Home / 22,376.43-30,880.26-12,305.63

Finding the Fourth Proportional to 22,376.43, 30,880.26 and 12,305.63

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Solution

The fourth proportional to 22,376.43, 30,880.26 and 12,305.63 is: 16,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.43 : 30,880.26 = 12,305.63 : x
  2. Step 2: Convert to fraction form
    22,376.43/30,880.26 = 12,305.63/x
  3. Step 3: Cross multiply
    22,376.43x = 30,880.26 × 12,305.63
  4. Step 4: Simplify right side
    22,376.43x = 380,001,131.06
  5. Step 5: Solve for x
    x = 380,001,131.06/22,376.43
  6. Step 6: Final answer
    x = 16,982.21

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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.