Home / 18,738.35-28,106.84-4,698.48

Finding the Fourth Proportional to 18,738.35, 28,106.84 and 4,698.48

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Solution

The fourth proportional to 18,738.35, 28,106.84 and 4,698.48 is: 7,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.35 : 28,106.84 = 4,698.48 : x
  2. Step 2: Convert to fraction form
    18,738.35/28,106.84 = 4,698.48/x
  3. Step 3: Cross multiply
    18,738.35x = 28,106.84 × 4,698.48
  4. Step 4: Simplify right side
    18,738.35x = 132,059,425.60
  5. Step 5: Solve for x
    x = 132,059,425.60/18,738.35
  6. Step 6: Final answer
    x = 7,047.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.