Home / 18,818.94-25,969.37-11,260.97

Finding the Fourth Proportional to 18,818.94, 25,969.37 and 11,260.97

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Solution

The fourth proportional to 18,818.94, 25,969.37 and 11,260.97 is: 15,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.94 : 25,969.37 = 11,260.97 : x
  2. Step 2: Convert to fraction form
    18,818.94/25,969.37 = 11,260.97/x
  3. Step 3: Cross multiply
    18,818.94x = 25,969.37 × 11,260.97
  4. Step 4: Simplify right side
    18,818.94x = 292,440,110.34
  5. Step 5: Solve for x
    x = 292,440,110.34/18,818.94
  6. Step 6: Final answer
    x = 15,539.67

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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.