Home / 18,120.30-24,996.56-11,393.25

Finding the Fourth Proportional to 18,120.30, 24,996.56 and 11,393.25

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Solution

The fourth proportional to 18,120.30, 24,996.56 and 11,393.25 is: 15,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.30 : 24,996.56 = 11,393.25 : x
  2. Step 2: Convert to fraction form
    18,120.30/24,996.56 = 11,393.25/x
  3. Step 3: Cross multiply
    18,120.30x = 24,996.56 × 11,393.25
  4. Step 4: Simplify right side
    18,120.30x = 284,792,057.22
  5. Step 5: Solve for x
    x = 284,792,057.22/18,120.30
  6. Step 6: Final answer
    x = 15,716.74

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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.