Home / 21,762.43-30,034.88-12,334.03

Finding the Fourth Proportional to 21,762.43, 30,034.88 and 12,334.03

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Solution

The fourth proportional to 21,762.43, 30,034.88 and 12,334.03 is: 17,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.43 : 30,034.88 = 12,334.03 : x
  2. Step 2: Convert to fraction form
    21,762.43/30,034.88 = 12,334.03/x
  3. Step 3: Cross multiply
    21,762.43x = 30,034.88 × 12,334.03
  4. Step 4: Simplify right side
    21,762.43x = 370,451,110.97
  5. Step 5: Solve for x
    x = 370,451,110.97/21,762.43
  6. Step 6: Final answer
    x = 17,022.51

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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.