Home / 22,313.80-30,792.81-12,241.72

Finding the Fourth Proportional to 22,313.80, 30,792.81 and 12,241.72

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Solution

The fourth proportional to 22,313.80, 30,792.81 and 12,241.72 is: 16,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.80 : 30,792.81 = 12,241.72 : x
  2. Step 2: Convert to fraction form
    22,313.80/30,792.81 = 12,241.72/x
  3. Step 3: Cross multiply
    22,313.80x = 30,792.81 × 12,241.72
  4. Step 4: Simplify right side
    22,313.80x = 376,956,958.03
  5. Step 5: Solve for x
    x = 376,956,958.03/22,313.80
  6. Step 6: Final answer
    x = 16,893.45

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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.